Reciprocating compressors is using the piston, the crank, link mechanism or the piston, the crank, sliding tube institutions, rotary compressor rotor is the use of crankshaft institutions.
往复式压缩机使用的是活塞、曲柄、连杆机构或活塞、曲柄、滑管机构，旋转式压缩机使用的是转轴曲轴机构。
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The dynamical computing of crankshaft reciprocating-pistoncompressor has been using graphics or hand-computation for a long time, which means heavy working capacity and low precision.