It is comprised of multiple stage centrifugal pump,double stage gas separator, protector,submersible motor,guard shield and setting gas separator.是什么意思_It is comprised of multiple stage centrifugal pump,double stage gas separator, protector,submersible motor,guard shield and setting gas separator.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句