压缩机工作腔不与吸、排气孔口同时相通，无需设置吸、排气阀，这一方面减少了进、排气损失。
Compressor working chamber is not interlink with the suction, exhaust orifice at the same time, without setting suction, exhaust valve, in this regard to reduce the intake, exhaust losses.
压缩机工作腔不与吸、排气孔口同时相通，无需设置吸、排气阀，这一方面减少了进、排气损失。
Compressor working chamber is not interlink with the suction, exhaust orifice at the same time, without setting suction, exhaust valve, in this regard to reduce the intake, exhaust losses.
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