roller skeleton seal 滚轮骨架密封
skeleton type self-tightening oil seal 骨架式自紧油封 ; 扇骨子式自紧油封
Skeleton oil seal 骨架油封
Skeleton-type rubber oil seal 骨架式橡胶油封
Skeleton rubber seal 骨架式橡胶油封
No Skeleton Oil Seal 无骨架油封
Like skeleton reinforced concrete structures inside, serve to strengthen the role and seal to maintain the shape and tension.
骨架就如同混凝土构件里面的钢筋，起到加强的作用，并使油封能保持形状及张力。
Skeleton type can be divided according to package seal, and seal the exposed skeleton oil seal assembly.
按骨架型式可分为内包骨架油封，外露骨架油封和装配式油封。
Shaft seal skeleton oil seal, mechanical seal, packing three type, indicate the order.
轴封有骨架油封、机械密封、填料密封三种型式，订货注明。
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