This kind of air compressorcylinder basically does not include any oil content in, the piston ring and packing is commonly ptfe.
这种空压机气缸中基本上不含油，其活塞环和填料一般为聚四氟乙烯。
2
Single screw compressorcylinder by a screw and two symmetrical layout of the plane composed of stars round of meshing pair, installed in the chassis.
单螺杆压缩机由一个圆柱螺杆和两个对称布置的平面星轮组成啮合副，装在机壳内。
3
Compressorcylinder to the scientific design and motor, piston, transmission system of quality control, can greatly improve the gas production unit power.