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。
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.
被广泛应用于冰箱空调防露加热、空调压缩机曲轴箱加热器、输送管、储油罐等应用场合当中。
Widely used in dew prevention and heating of the refrigeratory and air-condition compressor crankcase heater, pipeline, oil tank, greenhouse and so on.
该分层扫气系统由曲轴箱、主扫气道、副扫气道、分层管、笛簧阀和化油器等组成。
The scavenging system is composed of crankcase, main scavenging passage, sub passage stratifying pipe, reed valve and carburettor.
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