misc. backing ring ; mantle ring
... backing pump 旋转油泵；初级抽气泵，前置泵；备用泵 backing ring 衬环；垫环；支承环 backing run 封底焊道 ...
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本发明涉及一种板弹簧盒组件，包括内压环、外压环、内垫环、 外垫环、板弹簧以及螺钉；
The present invention relates to a plate spring box component which includes a inner pressure ring, a external pressure ring, a inner mantle ring, a outer mantle ring, a plate spring and screws;
享受舒适与此高品质的环垫额外的维度。
Enjoy an extra dimension of comfort with this top-quality ring cushion.
装配后调整钢环与铜垫间的工作间隙。
After the assembly, work break between adjusting steel ring and copper pad's.
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