exhaust air短语⁶³²⁶⁴ 基本例句 排气 The pump is environmentally friendly and includes air cooling, internal oil recirculation, integral oil mist separator for oil free exhaust air, low vibration and low noise level. 此款泵的工艺也很合乎环境要求，包括空气冷却，内部用油循环，为排气所设置的整体的油气分离系统，低震动，低噪音设计等。 cnepe