At present household refrigerators and air conditioner compressors are cubage type refrigeration compressor, which can be divided into reciprocating compressors and rotary compressor.
目前家用冰箱和空调器压缩机都是容积式的制冷压缩机，其中又可分为往复式压缩机和旋转式压缩机。
Equivalent to sing the role of round piston reciprocating piston compressor, when the satellite gear shafts relative motion at the Beaufort, the closed volume decreases, the gas being compressed.
星轮的作用相当于往复活塞压缩机的活塞，当星轮齿在螺槽内相对运动时，封闭容积逐渐减小，气体受到压缩。
If use reciprocating compressor, can choose DAA100 or DAA150 air compressor lubricants.
如采用往复式压缩机，可选用DAA100或DAA150空气压缩机油。
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