每日即兴英文演讲 - How to deliver an effective and efficient speaking? 04:22 每日即兴英文演讲You are Miss Universe and then deliver a close speech. 04:05 每日英文即兴演讲 Describe a popular place for sports 03:58 每日即兴英文演讲Where did you learn how to do the sports? 04:11 每日...
翻译结果1复制译文编辑译文朗读译文返回顶部 Cooling system for the engine to keep the work in the most efficient operating temperature. 翻译结果2复制译文编辑译文朗读译文返回顶部 Cooling system to keep the engine in the most efficient working temperatures ...
they have a constant, ready supply of energy to draw on, making them extremely efficient and very capable of providing refrigerative cooling and heating to your home. The only energy these systems use is the energy required to drive the pump. Likewise with solar...
7 Most Efficient Types of Clean Energy七种最高效的清洁能源 作者:*** 来源:《英语世界》2021年第08期 放眼全球经济,迄今为止,发展最迅速、增长最快的行业之一无疑是以清洁、可再生为特点的替代能源行业。 2目前,最清洁、最高效的能源解决方案包括以下几种:...
Upgrading to a more efficient heating unit is the best way to reduce your heat-related energy use — there are furnaces out there that operate at 97 percent efficiency, while your model may only be 78 percent efficient. Short of an expensive upgrade, you can also help your system work more...
Air cooling System Color White Rated frequency 50/60HZ Rated Voltage 110/220/380V Max power 5.5 Rated power 5.0 Alternator Copper Nosie level 72 G.W. 158 Compression ratio 19:1 Phase Single Phase/Three Phase Packaging and delivery Packaging Details Several Pcs Put In Bag Or Color Box, Then...
Use your HVAC system’s programmable thermostat to schedule operation for times when you are at home. Efficient use of this handy device can save you close to $200 per year on your utility bills. When your family’s schedule changes, reassess your needs and adjust the programmable thermostat ...
Cooling the heat produced in the CPU is done via several methods. Concerning the heating, four cooling methods are compared and studied. The best one out of some considered active and passive cooling devices is attempted to find. The heating of the CPU is studied because heat can damage the...
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aIn each case the unit was stabilized and the only significant cooling requirement was one that countered the heat leak. However, the optimal control identified the most efficient combination of Tev, Tc, and ω; whereas, the PID controller settled on a different state, which was not the ...