Rotary compressor has adopt a group of screw, will certain volume of air compressor become smaller pressure higher air, until the system to achieve need pressure.
旋转式压缩机采用了一组螺杆，将一定体积的空气压缩成为体积更小压力更高的空气，直至系统达到所需要的压力。
Of the two main air compressor types for reciprocating (piston) and rotary (screw).
两种主要的空压机类型为往复式(活塞式)和旋转式(螺杆式)。
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