... 开关(正,反) : Switch (, counter-) 电机调速 : Electrical machinery velocity modulation 正转 : Clockwise ...
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The electrical machinery velocity modulation question has been one of automated domain quite important questions.
电机调速问题一直是自动化领域比较重要的问题之一。
The best system of efficiency and function are becoming the pressure frequency conversion velocity modulation system in the various asynchronous electrical machinery velocity modulation system.
在各种异步电机调速系统中，效率及性能最好的系统是变压变频调速系统。
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