If the residual air in cylinder is impacted by abrupt clamp pressure the seal ring will be damaged due to the effect of diesel oil.

如果油缸内残留空气受急剧夹压时，那么，由于液压油的作用，有可能使密封圈烧损。

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Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.

聚四氟乙烯内衬直管， 套管，弯头，三通，四通，大小头，筒体，空压机-制氧机- 活塞环、密封圈和汽配封圈。

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