QTM is combination of QT Pump with electic motor assembled together and eliminates troublesome alignment and the need for coupling,coupling cover and pump base. QTM is space-saving.是什么意思_QTM is combination of QT Pump with electic motor assembled together and eliminates troublesome alignment and the need for coupling,coupling cover and pump base. QTM is space-saving.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句