These system include filtering system for crude oil entering ,filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor.是什么意思_These system include filtering system for crude oil entering ,filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句