Existing residualair pressure after disconnecting the air compressor from the machine has to be expelled.
如有残留压缩空气时，应放掉压缩空气。
2
If the residualair 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。
3
Histologically, the tumor showed irregular growth pattern with interstitial fibrous proliferation and intra-tumoral residualair-containing Spaces in alveoli and bronchioles.