五金英文单词

hardware，英文单词，主要用作名词，作名词时意为“计算机硬件；五金器具”。

短语搭配：

Hardware Company 五金公司 ; 计算机软件开发公司 ; 家具五金有限公司 ; 第二名称。

Hardware abstraction 抽象硬件接口 ; 基于抽象硬件介面。

hardware platform 硬件平台 ; 硬体平台。

hardware tool 五金工具。

constructional hardware 结构硬件。

双语例句

1、Some of them do have specific hardware and software requirements.

它们中有一些需要特定的硬件和软件。

2、This software runs the basic operation; it tells the hardware what to do and how and when to do it.

这类软件执行计算机的一些基本操作；它告诉硬件要作些什么，如何做以及什么时候做。

3、But as human capital is important so is the Hardware and Software Capital invested by you in your company.

但由于人力资本是很重要的，所以是硬件和软件的资本投资，你在你的公司。

以上内容来自 百度百科-hardware

物料科学Material Science 物料科学定义Material Science Definition加工性能 Machinability强度Strength抗腐蚀及耐用 Corrosion & resistance durability金属特性Special metallic features抗敏感及环境保护 Allergic, re-cycling & environmental protection化学元素 Chemical element元素的原子序数 Atom of Elements原子及固体物质 Atom and solid material原子的组成、大小、体积和单位图表 The size, mass, charge of an atom, and is particles (Pronton,Nentron and Electron) 原子的组织图 Atom Constitutes 周期表Periodic Table 原子键结 Atom Bonding 金属与合金 Metal and Alloy铁及非铁金属Ferrous & Non Ferrous Metal金属的特性 Features of Metal 晶体结构 Crystal Pattern 晶体结构，定向格子及单位晶格 Crystal structure, Space lattice & Unit cell X线结晶分析法 X – ray crystal analyics method 金属结晶格子 Metal space lattice格子常数 Lattice constant 米勒指数 Mill's Index金相及相律 Metal Phase and Phase Rule固熔体 Solid solution 置换型固熔体 Substitutional type solid solution 插入型固熔体 Interstital solid solution 金属间化物 Intermetallic compound 金属变态 Transformation 变态点 Transformation Point磁性变态Magnetic Transformation同素变态Allotropic Transformation合金平衡状态 Thermal Equilibrium 相律Phase Rule自由度Degree of freedom 临界温度 Critical temperture共晶Eutectic 包晶温度 Peritectic Temperature包晶反应 Peritectic Reaction包晶合金 Peritectic Alloy亚共晶体 Hypoeutetic Alloy过共晶体 Hyper-ectectic Alloy金属的相融、相融温度、晶体反应及合金在共晶合金、固熔孻共晶合金及偏晶反应的比较 Equilibrium Comparision 金属塑性 Plastic Deformation 滑动面 Slip Plan畸变 Distortion硬化 Work Hardening退火 Annealing回复柔软 Crystal Recovery再结晶 Recrystallization金属材料的性能及试验 Properties & testing of metal 化学性能 Chemical Properties物理性能 Physical Properties颜色 Colour磁性 Magnetisum 比电阻 Specific resistivity & specific resistance 比重Specific gravity & specific density比热Specific Heat热膨胀系数 Coefficient of thermal expansion 导热度Heat conductivity 机械性能 Mechanical properties屈服强度(降伏强度) (Yield strangth)弹性限度、阳氏弹性系数及屈服点 elastic limit, Yeung's module of elasticity to yield point 伸长度 Elongation 断面缩率Reduction of area金属材料的试验方法The Method of Metal inspection 不破坏检验Non – destructive inspections渗透探伤法 Penetrate inspection 磁粉探伤法 Magnetic particle inspection放射线探伤法Radiographic inspection 超声波探伤法Ultrasonic inspection 显微观察法 Microscopic inspection破坏的检验 Destructive Inspection冲击测试Impact Test疲劳测试 Fatigue Test潜变测试 Creep Test潜变强度Creeps Strength 第壹潜变期 Primary Creep第二潜变期Secondary Creep第三潜变期Tertiary Creep主要金属元素之物理性质Physical properties of major Metal Elements工业标准及规格 – 铁及非铁金属 Industrial Standard – Ferrous & Non – ferrous Metal 磁力 Magnetic简介 General 软磁 Soft Magnetic硬磁 Hard Magnetic磁场 Magnetic Field磁性感应 Magnetic Induction透磁度 Magnetic Permeability磁化率 Magnetic Susceptibility (Xm) 磁力(Magnetic Force)及磁场(Magnetic Field)是因物料里的电子(Electron)活动而产生 抗磁体、顺磁体、铁磁体、反铁磁体及亚铁磁体 Diamagnetism, Paramagnetic, Ferromagnetism,Antiferromagnetism & Ferrimagnetism 抗磁体 Diamagnetism磁偶极子 Dipole负磁力效应 Negative effect顺磁体 Paramagnetic正磁化率 Positive magnetic susceptibility铁磁体 Ferromagnetism 转变元素 Transition element交换能量 Positive energy exchange外价电子 Outer valence electrons化学结合 Chemical bond自发上磁 Spontaneous magnetization磁畴 Magnetic domain相反旋转 Opposite span比较抗磁体、顺磁体及铁磁体 Comparison of Diamagnetism, Paramagnetic & Ferromagnetism 反铁磁体 Antiferromagnetism 亚铁磁体 Ferrimagnetism 磁矩 magnetic moment净磁矩 Net magnetic moment钢铁的主要成份The major element of steel 钢铁用"碳"之含量来分类Classification of Steel according to Carbon contents铁相 Steel Phases钢铁的名称Name of steel纯铁体Ferrite渗碳体Cementitle奥氏体 Austenite珠光体及共释钢 Pearlite &Eutectoid 奥氏体碳钢 Austenite Carbon Steel 单相金属Single Phase Metal 共释变态Eutectoid Transformation 珠光体 Pearlite亚铁释体 Hyppo-Eutectoid 初释纯铁体 Pro-entectoid ferrite过共释钢 Hype-eutectoid 珠光体 Pearlite 粗珠光体 Coarse pearlite中珠光体 Medium pearlite幼珠光体 Fine pearlite磁性变态点 Magnetic Transformation 钢铁的制造Manufacturing of Steel 连续铸造法 Continuous casting process电炉 Electric furnace均热炉 Soaking pit全静钢 Killed steel半静钢 Semi-killed steel沸腾钢(未净钢) Rimmed steel钢铁生产流程 Steel Production Flow Chart 钢材的熔铸、锻造、挤压及延轧The Casting, Fogging, Extrusion, Rolling & Steel 熔铸 Casting锻造 Fogging挤压 Extrusion延轧 Rolling冲剪 Drawing & stamping特殊钢 Special Steel简介General特殊钢以原素分类 Classification of Special Steel according to Element 特殊钢以用途来分类 Classification of Special Steel according to End Usage 易车(快削)不锈钢 Free Cutting Stainless Steel 含铅易车钢 Leaded Free Cutting Steel 含硫易车钢 Sulphuric Free Cutting Steel 硬化性能Hardenability 钢的脆性Brittleness of Steel 低温脆性 Cold brittleness回火脆性 Temper brittleness 日工标准下的特殊钢材Specail Steel according to JIS Standard 铬钢 – 日工标准 JIS G4104Chrome steel to JIS G4104 铬钼钢钢材 – 日工标准 G4105 62Chrome Molybdenum steel to JIS G4105 镍铬 – 日工标准 G4102 63Chrome Nickel steel to JIS G4102 镍铬钼钢 – 日工标准 G4103 64Nickel, Chrome & Molybdenum Steel to JIS G4103 高锰钢铸 – 日工标准High manganese steel to JIS standard 片及板材Chapter Four-Strip, Steel & Plate冷辘低碳钢片(双单光片)(日工标准 JIS G3141) 73 - 95Cold Rolled (Low carbon) Steel Strip (to JIS G 3141)简介General 美材试标准的冷辘低碳钢片Cold Rolled Steel Strip American Standard – American Society for testing and materials (ASTM) 日工标准JIS G3141冷辘低碳钢片(双单光片)的编号浅释 Decoding of cold rolled(Low carbon)steel strip JIS G3141 材料的加工性能 Drawing abillity硬度 Hardness表面处理 Surface finish冷辘钢捆片及张片制作流程图表Production flow chart cold rolled steel coil sheet 冷辘钢捆片及张片的电镀和印刷方法Cold rolled steel coil & sheet electro-plating & painting method 冷辘(低碳)钢片的分类用、途、工业标准、品质、加热状态及硬度表End usages, industrial standard, quality, condition and hardness of cold rolled steel strip 硬度及拉力 Hardness & Tensile strength test拉伸测试(顺纹测试)Elongation test 杯突测试(厚度: 0.4公厘至1.6公厘，准确至0.1公厘 3个试片平均数)Erichsen test (Thickness: 0.4mm to 1.6mm, figure round up to 0.1mm)曲面(假曲率)Camber 厚度及阔度公差 Tolerance on Thickness & Width 平坦度(阔度大于500公厘，标准回火)Flatness (width>500mm, temper: standard) 弯度 Camber冷辘钢片储存与处理提示General advice on handling & storage of cold rolled steel coil & sheet 防止生锈Rust Protection 生锈速度表Speed of rusting焊接 Welding气焊 Gas Welding埋弧焊 Submerged-arc Welding电阻焊 Resistance Welding冷辘钢片(拉力: 30-32公斤/平方米)在没有表面处理状态下的焊接状况Spot welding conditions for bared (free from paint, oxides etc) Cold rolled mild steel sheets(T/S:30-32 Kgf/ μ m2) 时间效应(老化)及拉伸应变 Aging & Stretcher Strains 日工标准(JIS G3141)冷辘钢片化学成份Chemical composition – cold rolled steel sheet to JIS G3141 冷辘钢片的"理论重量"计算方程式 Cold Rolled Steel Sheet – Theoretical mass 日工标准(JIS G3141)冷辘钢片重量列表 Mass of Cold-Rolled Steel Sheet to JIS G3141 冷辘钢片订货需知 Ordering of cold rolled steel strip/sheet 其它日工标准冷轧钢片(用途及编号) JIS standard & application of other cold Rolled Special Steel 电镀锌钢片或电解钢片 Electro-galvanized Steel Sheet/Electrolytic Zinc Coated Steel Sheet 简介General 电解/电镀锌大大增强钢片的防锈能力Galvanic Action improving Weather & Corrosion Resistance of the Base Steel Sheet 上漆能力 Paint Adhesion电镀锌钢片的焊接Welding of Electro-galvanized steel sheet点焊 Spot welding滚焊 Seam welding 电镀锌(电解)钢片Electro-galvanized Steel Sheet生产流程 Production Flow Chart常用的镀锌钢片(电解片)的基层金属、用途、日工标准、美材标准及一般厚度Base metal, application, JIS & ASTM standard, and Normal thickness of galvanized steel sheet 锌镀层质量 Zinc Coating Mass表面处理 Surface Treatment 冷轧钢片 Cold-Rolled Steel Sheet/Strip 热轧钢片 Hot-Rolled Sheet/Strip电解冷轧钢片厚度公差 Thickness Tolerance of Electrolytic Cold-rolled sheet 热轧钢片厚度公差 Thickness Tolerance of Hot-rolled sheet 冷轧或热轧钢片阔度公差Width Tolerance of Cold or Hot-rolled sheet 长度公差 Length Tolerance理论质量 Theoretical Mass锌镀层质量(两个相同锌镀层厚度) Mass Calculation of coating (For equal coating)/MM 锌镀层质量(两个不同锌镀层厚度)Mass Calculation of coating (For differential coating)/MM 镀锡薄铁片(白铁皮/马口铁) (日工标准 JIS G3303) 简介 General镀锡薄铁片的构造Construction of Electrolytic Tinplate 镀锡薄钢片(白铁皮/马日铁)制造过程 Production Process of Electrolytic Tinplate 锡层质量Mass of Tin Coating (JIS G3303-1987) 两面均等锡层Both Side Equally Coated Mass 两面不均等锡层 Both Side Different Thickness Coated Mass 级别、电镀方法、镀层质量及常用称号Grade, Plating type, Designation of Coating Mass & Common Coating Mass 镀层质量标记 Markings & Designations of Differential Coatings 硬度 Hardness 单相轧压镀锡薄铁片(白铁皮/马口铁) Single-Reduced Tinplate 双相辗压镀锡薄钢片(马口铁/白铁皮)Dual-Reduction Tinplate 钢的种类 Type of Steel表面处理 Surface Finish 常用尺寸 Commonly Used Size电器用硅 [硅] 钢片 Electrical Steel Sheet 简介 General 软磁材料 Soft Magnetic Material 滞后回线 Narrow Hystersis 矫顽磁力 Coercive Force 硬磁材料 Hard Magnetic Material最大能量积 Maximum Energy Product 硅含量对电器用的低碳钢片的最大好处The Advantage of Using Silicon low Carbon Steel 晶粒取向(Grain-Oriented)及非晶粒取向(Non-Oriented) Grain Oriented & Non-Oriented电器用硅 [硅] 钢片的最终用途及规格End Usage and Designations of Electrical Steel Strip 电器用的硅 [硅] 钢片之分类 Classification of Silicon Steel Sheet for Electrical Use 电器用钢片的绝缘涂层Performance of Surface Insulation of Electrical Steel Sheets 晶粒取向电器用硅钢片主要工业标准International Standard – Grain-Oriented Electrical Steel Silicon Steel Sheet for Electrical Use 晶粒取向电器用硅钢片 Grain-Oriented Electrical Steel晶粒取向，定取向芯钢片及高硼定取向芯钢片之磁力性能及夹层系数(日工标准及美材标准)Magnetic Properties and Lamination Factor of SI-ORIENT-CORE& SI-ORIENT-CORE-HI B Electrical Steel Strip (JIS and AISI Standard)退火Annealing 电器用钢片用家需自行应力退火原因 Annealing of the Electrical Steel Sheet退火时注意事项 Annealing Precautionary碳污染 Prevent Carbon Contamination热力应先从工件边缘透入Heat from the Laminated Stacks Edges提防过份氧化 No Excessive Oxidation应力退火温度 Stress –relieving Annealing Temperature 晶粒取向电器用硅 [硅] 钢片 – 高硼(HI-B)定取向芯钢片及定取向芯钢片之机械性能及夹层系数Mechanical Properties and Lamination Factors of SI-ORIENT-CORE-HI-B and SI-ORIENT-CORE Grain Orient Electrical Steel Sheets晶粒取向电器用硅 [硅] 钢;片 – 高硼低硫(LS)定取向 钢片之磁力及电力性能Magnetic and Electrical Properties of SI-ORIENT-CORE-HI-B-LS晶粒取向电器用硅 [硅] 钢片 – 高硼低硫(LS) 定取向钢片之机械性能及夹层系数Mechanical Properties and Lamination Factors of SI-ORIENT-CORE-HI-B-LS晶粒取向电器用硅(硅)钢片-高硼(HI-B)定取向 芯钢片，定取向芯钢片及高硼低硫(LS)定取向芯钢片之厚度及阔度公差Physical Tolerance of SI-ORIENT-CORE-HI-B, SI-ORIENT-CORE, & SI-CORE-HI-B-LS GrainOriented Electrical Steel Sheets晶粒取向电器用硅(硅)钢片 – 高硼(HI-B)定取向 芯钢片，定取向芯钢片及高硼低硫(LS)定取向芯钢片之标准尺寸及包装Standard Forms and Size of SI-ORIENT-CORE-HI-B,SI-CORE, & SI-ORIENT-CORE-HI-B-LS Grain-Oriented Electrical Steel Sheets绝缘表面 Surface Insulation非晶粒取向电力用钢片的电力、磁力、机械性能 及夹层系数Lamination Factors of Electrical, Magnetic & Mechanical Non-Grain Oriented Electrical电器及家电外壳用镀层冷辘 [低碳] 钢片 Coated (Low Carbon) Steel Sheets for Casing,Electricals & Home Appliances镀铝硅钢片 Aluminized Silicon Alloy Steel Sheet 简介 General 镀铝硅合金钢片的特色 Feature of Aluminized Silicon Alloy Steel Sheet 用途End Usages 抗化学品能力Chemical Resistance 镀铝(硅)钢片 – 日工标准(JIS G3314) Hot-aluminum-coated sheets and coils to JIS G 3314 镀铝(硅)钢片 – 美材试标准(ASTM A-463-77)35.7 JIS G3314镀热浸铝片的机械性能 Mechanical Properties of JIS G 3314 Hot-Dip Aluminum-coated Sheets and Coils公差 Size Tolerance镀铝(硅)钢片及其它种类钢片的抗腐蚀性能比较 Comparsion of various resistance of aluminized steel & other kinds of steel镀铝(硅)钢片生产流程 Aluminum Steel Sheet, Production Flow Chart焊接能力 Weldability 镀铝钢片的焊接状态(比较冷辘钢片) Tips on welding of Aluminized sheet in comparasion with cold rolled steel strip钢板Steel Plate 钢板用途分类及各国钢板的工业标准包括日工标准及美材试标准Type of steel Plate & Related JIS, ASTM and Other Major Industrial Standards钢板生产流程Production Flow Chart钢板订货需知 Ordering of Steel Plate 不锈钢 Stainless Steel不锈钢的定义 Definition of Stainless Steel不锈钢之分类，耐腐蚀性及耐热性Classification, Corrosion Resistant & Heat Resistance of Stainless Steel 铁铬系不锈钢片Chrome Stainless Steel 马氏体不锈钢Martensite Stainless Steel 低碳马氏体不锈钢Low Carbon Martensite Stainless Steel 含铁体不锈钢Ferrite Stainless Steel 镍铬系不锈钢Nickel Chrome Stainless Steel 释出硬化不锈钢Precipitation Hardening Stainless Steel 铁锰铝不锈钢Fe / Mn / Al / Stainless Steel 不锈钢的磁性 Magnetic Property & Stainless Steel 不锈钢箔、卷片、片及板之厚度分类Classification of Foil, Strip, Sheet & Plate by Thickness 表面保护胶纸 Surface protection film不锈钢片材常用代号 Designation of SUS Steel Special Use Stainless 表面处理 Surface finish薄卷片及薄片(0.3至2.9mm厚之片)机械性能Mechanical Properties of Thin Stainless Steel(Thickness from 0.3mm to 2.9mm) – strip/sheet 不锈钢片机械性能(301, 304, 631, CSP)Mechanical Properties of Spring use Stainless Steel 不锈钢 – 种类，工业标准，化学成份，特点及 主要用途Stainless Steel – Type, Industrial Standard, Chemical Composition, Characteristic & end usage of the most commonly used Stainless Steel不锈钢薄片用途例 End Usage of Thinner Gauge 不锈钢片、板用途例 Examples of End Usages of Strip, Sheet & Plate 不锈钢应力退火卷片常用规格名词图解General Specification of Tension Annealed Stainless Steel Strips 耐热不锈钢 Heat-Resistance Stainless Steel 镍铬系耐热不锈钢特性、化学成份、及操作温度Heat-Resistance Stainless Steel 铬系耐热钢 Chrome Heat Resistance Steel 镍铬耐热钢Ni - Cr Heat Resistance Steel 超耐热钢 Special Heat Resistance Steel 抗热超级合金 Heat Resistance Super Alloy 耐热不锈钢比重表Specific Gravity of Heat – resistance steel plates and sheets stainless steel 不锈钢材及耐热钢材标准对照表Stainless and Heat-Resisting Steels 发条片 Power Spring Strip 发条的分类及材料 Power Spring Strip Classification and Materials 上链发条 Wind-up Spring倒后擦发条 Pull Back Power Spring圆面("卜竹")发条 Convex Spring Strip 拉尺发条 Measure Tape魔术手环 Magic Tape魔术手环尺寸图Drawing of Magic Tap定型发条 Constant Torque Spring 定型发条及上炼发条的驱动力Spring Force of Constant Torque Spring and Wing-up Spring 定型发条的形状及翻动过程 Shape and Spring Back of Constant Torque Spring定型发条驱动力公式及代号 The Formula and Symbol of Constant Torque Spring 边缘处理 Edge Finish硬度 Hardness高碳钢化学成份及用途High Carbon Tool Steel, Chemical Composition and Usage 每公斤发条的长度简易公式The Length of 1 Kg of Spring Steel Strip SK-5 & AISI-301 每公斤长的重量/公斤(阔100-200公厘) Weight per one meter long (kg) (Width 100-200mm) SK-5 & AISI-301 每公斤之长度(阔100-200公厘) Length per one kg (Width 100-200mm) SK-5 & AISI-301 每公尺长的重量/公斤(阔2.0-10公厘)Weight per one meter long (kg) (Width 2.0-10mm) SK-5 & AISI-301 每公斤之长度(阔2.0-10公厘) Length per one kg (Width 2.0-10mm) 高碳钢片 High Carbon Steel Strip 分类 Classification 用组织结构分类 Classification According to Grain Structure 用含碳量分类 – 即低碳钢、中碳钢及高碳钢 Classification According to Carbon Contains弹簧用碳钢片CarbonSteel Strip For Spring Use 冷轧状态 Cold Rolled Strip回火状态 Annealed Strip淬火及回火状态 Hardened & Tempered Strip/ Precision – Quenched Steel Strip 贝氏体钢片 Bainite Steel Strip弹簧用碳钢片材之边缘处理 Edge Finished 淬火剂 Quenching Media 碳钢回火 Tempering 回火有低温回火及高温回火Low & High Temperature Tempering 高温回火High Temperature Tempering 退火 Annealing 完全退火 Full Annealing扩散退火 Diffusion Annealing低温退火 Low Temperature Annealing中途退火 Process Annealing 球化退火 Spheroidizing Annealing光辉退火 Bright Annealing淬火 Quenching 时间淬火 Time Quenching奥氏铁孻回火 Austempering马氏铁体淬火 Marquenching高碳钢片用途 End Usage of High Carbon Steel Strip冷轧高碳钢 – 日本工业标准Cold-Rolled (Special Steel) Carbon Steel Strip to JIS G3311 电镀金属钢片 Plate Metal Strip简介 General 电镀金属捆片的优点Advantage of Using Plate Metal Strip 金属捆片电镀层Plated Layer of Plated Metal Strip 镀镍 Nickel Plated 镀铬 Chrome Plated镀黄铜 Brass Plated 基层金属 Base Metal of Plated Metal Strip低碳钢或铁基层金属Iron & Low Carbon as Base Metal 不锈钢基层金属 Stainless Steel as Base Metal铜基层金属Copper as Base Metal 黄铜基层金属Brass as Base Metal轴承合金 Bearing Alloy 简介General轴承合金 – 日工标准 JIS H 5401Bearing Alloy to JIS H 5401 锡基、铅基及锌基轴承合金比较表 Comparison of Tin base, Lead base and Zinc base alloy for Bearing purpose易溶合金 Fusible Alloy焊接合金 Soldering and Brazing Alloy软焊 Soldering Alloy软焊合金 – 日本标准 JIS H 4341Soldering Alloy to JIS H 4341 硬焊 Brazing Alloy其它焊接材料请参阅日工标准目录 Other Soldering Material 细线材、枝材、棒材Chapter Five Wire, Rod & Bar 线材/枝材材质分类及制成品 Classification and End Products of Wire/Rod铁线(低碳钢线)日工标准 JIS G 3532 Low Carbon Steel Wires ( Iron Wire ) to JIS G 3532 光线(低碳钢线)，火线(退火低碳钢线)，铅水线 (镀锌低碳钢线)及制造钉用低碳钢线之代号、公差及备注Ordinary Low Carbon Steel Wire, Annealed Low Carbon Steel Wire, Galvanized low Carbon Steel Wire & Low Carbon Steel Wire for nail manufacturing - classification, Symbol of Grade, Tolerance and Remarks. 机械性能 Mechanical Properites 锌包层之重量，铜硫酸盐试验之酸洗次数及测试用卷筒直径Weight of Zinc-Coating, Number of Dippings in Cupric Sulphate Test and Diameters of Mandrel Used for Coiling Test冷冲及冷锻用碳钢线枝 Carbon Steel Wire Rods for Cold Heading & Cold Forging (to JIS G3507)级别，代号及化学成份 Classification, Symbol of Grade and Chemical Composition 直径公差，偏圆度及脱碳层的平均深度Diameter Tolerance, Ovality and Average Decarburized Layer Depth 冷拉钢枝材 Cold Drawn Carbon Steel Shafting Bar枝材之美工标准，日工标准，用途及化学成份AISI, JIS End Usage and Chemical Composition of Cold Drawn Carbon Steel Shafting Bar 冷拉钢板重量表 Cold Drawn Steel Bar Weight Table 高碳钢线枝High Carbon Steel Wire Rod (to JIS G3506)冷拉高碳钢线 Hard Drawn High Carbon Steel Wire(to JIS G3521, ISO-84580-1&2)化学成份分析表 Chemical Analysis of Wire Rod 线径、公差及机械性能(日本工业标准 G 3521) Mechanical Properties (JIS G 3521)琴线(日本标准 G3522)Piano Wires ( to G3522) 级别，代号，扭曲特性及可用之线

有啊metals

metal是一个最常用的金属的英文单词.没有复数形式的名词.

应该是hardware,只所以有“hardward”，个人认为是“d" 和"e"离的太近的原因。

hardward我不知道但是我知道hardware是五金而且五金也有不同好不？建筑五金，家具五金国内国外的建筑建材五金都是不一样的