机械英语作文空调

Air-conditioner Air-conditioner is a kind of machine used at home, at the office or in the shopping hall and any other places. It is designed to change the air temperature and humidity within an area. Air-conditioner is used for cooling and sometimes heating depending on the air properties at a given time to create more favourable conditions. It's frequently used during in the hot summer. In the north of China, it's used for heating in the cold winter. I like air-conditioner in the summer days and nights. Once it turns on, the cool air will spread all over the room and I don't want to leave there anymore.

When summer comes, the air is stuffy and the temperature is so high. Thanks to the invention of air-condition, people are no longer suffer to the hot weather, they can stay at the indoors and enjoy the coolness that air-condition brings. But the problem comes, when people count on air-condition for a long time, their bodies will be weaker. Some people feel dizzy and have no strength to do their work, some people are easy to catch the cold. All of these symptoms are typical illness which is from air condition. Though air-condition brings us comfort, we will get sick if we use it all the time. We need to go outside often, even is hot, what’s more, taking exercise is needed. The natural environment is suitable for us to live in, we can’t count on air-condition for a long time. 当夏天到来的时候，空气很闷热，气温也很高。多亏了空调的发明，人们再也不用忍受闷热的天气，他们可以呆在室内，享受着空调带来的凉意。 但是问题也来了，当人们长时间依赖空调，他们的`身体会变弱。 一些人感到眩晕，没有力气去工作，一些人很容易感冒。 所有的这些症状都是空调带来的典型病。虽然空调给我们带来了舒适，但是如果我们长时间使用空调，就会生病。我们需要经常走出室外，即使天气很热，也需要参加锻炼。自然的环境是最适合我们居住的，我们不能长时间依赖空调。

Energy-saving air-conditioner, namely evaporative air conditioners. Energy-saving air-conditioner is absorbed in the air quantity of heat to evaporate cooling purposes, according to the natural phenomena of "water evaporation efficiency" this principle: when the hot air through practical heat water evaporation area of 100 times, when the damp curtain of hot air will be absorbed, so as to realize the air cooling process. With traditional compressor air conditioning in the working principle and structure of different, in the cooling speed, health and economic, environmental protection, installation and maintenance etc have prominent advantages. Energy-saving air-conditioner is absorbed in the air quantity of heat to evaporate cooling purposes, according to the natural phenomena of "water evaporation efficiency" this principle: when the hot air through practical heat water evaporation area of 100 times, when the damp curtain of hot air will be absorbed, so as to realize the process of cooling air conditioning, compared with the traditional maximum characteristic is not compressor, so he energy-saving, environmental protection, and a fresh, clean air, for you to create a more healthy and comfortable working environment. Compared with the conventional air conditioning, the operation mode, the conventional air conditioning is required to keep indoor temperature closed the door, such cause indoor air quality greatly reduced, stale air, smelly, make the person produces headache, nausea and so-called "KongDiaoBing", for some harmful gas workshop, if not necessary ventilation equipment, can cause poisoning, and energy efficient air conditioning can solve the problems in the operation is needed, the open door window, air conditioning, hot air continuously into excluded, always keep the air fresh, natural environment. The traditional investment need only half of the air conditioning compressor, middle power operation needs only traditional air-conditioning [/ b] 1/8 [/ b] [/ b] 1-10 [/ b], maintenance cost is low. Energy-saving [/ b] [/ b] above 85% cooling rapidly. Directional positions, more economical and practical. No freon, low noise, vibration, no heat. But for cooling equipment, equipment operation is more stable, prolong service life. For staff to create a good environment, saving production cost, improve enterprise competitiveness.