The structure and seal principle of the seal components of HAGC cylinder and oil film bearing of backup roll were introduced.
介绍了HAGC油缸和支承辊油膜轴承用密封件的结构和密封原理，对两种大型进口密封进行了国产化研究，并成功用于实际生产中，密封效果良好。
The oil deficiency also affects the tear film. Without as much oil to seal the watery layer, the tear film evaporates much faster, leaving dry areas on the cornea.
油质不足会影响泪液膜，当没有足够的油质封住水层时，泪液膜的蒸发就会加快，从而在角膜上留下干燥部分。
A degassing component is composed of a composite film tube, a case and an oil resistant rubber seal ring.
由复合膜管、外壳和耐油橡胶密封圈构成脱气组件。
A degassing component is composed of a composite film tube, a case and an oil resistant rubber seal ring.
由复合膜管、外壳和耐油橡胶密封圈构成脱气组件。
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