STUDY AND IMPLEMENTATION OF HIGH-VOLTAGE VARIABLE-FREQUENCY SPEED ADJUSTABLE CONTROL SYSTEM OF CYCLE WATER PUMP SYSTEM IN THERMAL POWER PLANT是什麼意思_STUDY AND IMPLEMENTATION OF HIGH-VOLTAGE VARIABLE-FREQUENCY SPEED ADJUSTABLE CONTROL SYSTEM OF CYCLE WATER PUMP SYSTEM IN THERMAL POWER PLANT在線翻譯_英語_讀音_用法_例句