Application of the Water Resistance Speed Control for High Voltage Wound-Rotor Motor at Water Pump in coal Preparation Plant and its Energy Saving是什么意思_Application of the Water Resistance Speed Control for High Voltage Wound-Rotor Motor at Water Pump in coal Preparation Plant and its Energy Saving在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句