... PCU Power Conditioning Unit功率调节装置 PCU Power Control Unit功率控制装置 PCV Positive Crankcase Ventilation曲轴箱强制通风系统 ...
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与仍然控制宇宙太空船飞行主要手段推进器比较，反射装置功率是微小的。
Compared with thrusters, which remain the main method of steering the spacecraft, the effect of the reflecting devices is slight.
介绍一种以igbt为功率单元的全数字控制脉宽调制变频装置。
A fully digitally controlled SPWM inverter with IGBTs as the main power devices is introduced.
本文概述了8 K机车功率因数补偿装置的工作原理、参数选择及投切控制。
Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.
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