The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.

型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。

youdao

Polyurethane film handily outperforms many other common polymers when it comes to abrasion resistance. Five times more resistant than natural rubber, the material is of choice of wear products.

聚氨酯薄膜的耐磨性胜过许多其他常见的聚合物。较天然橡胶耐磨五倍以上，是耐磨制品的首选材料之一。

youdao

Some high chromium steels can be hardened by heat treatment and are used where resistance to wear, abrasion, and corrosion are required.

一些高铬钢能通过热处理硬化，可用于抗磨坏，抗磨损，抗腐蚀需求的地方。

youdao