rotary-screw compressor 旋转螺旋压缩机
oil-free rotary screw compressor 无油螺旋式空压机
rotary helical screw compressor 回转式螺杆压缩机
rotary type screw compressor 旋转式螺杆压缩机
rotary y helical screw compressor 回转式螺杆压缩机
In 1968, Quincy got the rotary screw compressor technology license and started to manufacture screw type compressor.
1968年，昆西获得螺杆压缩机技术并开始生产螺杆式压缩机。
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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