This paper introduced the disadvantages of the old pistol air compressor and effect on saving energy by promoting new type double screw compressor.
介绍了老式的活塞型空压机的缺陷，推广新型双螺杆空压机的节能经济效果。
The gas pulsation of discharge hole of new type of scroll air compressor is studied in this paper.
研究了涡旋式空气压缩机排气系统的气流脉动现象，首次提出了排气孔口侵入现象及计算方法。
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