piston ring seal 胀圈密封
dummy piston seal ring 平衡活塞汽封
piston ring type seal 涨圈式密封
triple seal piston ring 三重密封活塞环
piston o-ring seal 柱塞O型密封圈
piston ring seal system 活塞环密封系统
Such as whether the bolt is tightened, the piston ring is installed correctly, damaged oil seal is replaced, etc.
譬如螺栓是否拧紧，活塞环安装是否正确，损坏油封是否更换等。
Nowadays, the piston ring seal is really what the break in process is all about.
如今，磨合就是在磨合活塞密封环。
Metal elastic force ring inside piston rings can add initial elastic force of the non-metallic piston ring to get expectative seal effect.
在活塞环的内侧设置金属的弹力环增加非金属活塞环的预弹力，可到达预期的密封效果。
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