灯泡维修：bulb maintenance
灯头： lamp holder/base
灯管：tube
节能灯: CFL( Compact Fluorescent Lamp)/ESL (Energy saving lamp) 紧凑型荧光灯/自镇流式荧光灯
白炽灯泡: Incandescent light bulbs
筒灯： Down Lights
吸顶灯：Ceiling Lights
环形荧光灯 fluorescent circular lamp
LED充电工作灯：LED Rechargeable Work Light
灯泡寿命终止，请合格维修人员更换灯泡。
The lamp lifetime is overdue. Return the projector to qualified servicepersonnel for lamp change
信号灯泡断丝平均寿命、寿命分布类型是计算信号机的可靠度、制订维修周期等必不少的参数。
The average life and life distribution types of signal lamp filaments areindispensible parameters for calculating the degrees of reliability and forworking oat the maintenance periods of signals.
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