Vacuum pump technology by using liquid-ring vacuum pump possesses the advantages of less energy consumption, compact structure and less land occupied.

机械抽真空技术具有能耗低、结构紧凑、占地少的特点。

youdao

Vacuuming: Equipped with vacuum pump of great horsepower to make sure that the air in the air-condition system is as less as possible.

抽真空：配置大马力真空泵对汽车空调系统进行抽真空，抽力强劲更干净。

youdao