主要有机械磨损和腐蚀磨损。
铰接接头设计用于抵抗高压冲刷、防止过大的电缆应力和机械磨损。
They are designed to protect against high pressure washing, excessive cable strain and mechanical abrasion.
请不要使用cheezy - cheapy壶，获得一个长寿命和机械磨损评价；
Don't use a cheezy-cheapy POT; get one rated for long life and mechanical wear;
枪是一种机械，它不会常用常新，而且肯定会逐渐磨损。
Your gun is a mechanical device which will not last forever and is subject to wear.
磨损状态是决定机械密封寿命和性能的关键。
Mechanical seal's life and performance are decided by wear state.
双变频简约机械结构，易维护、磨损少、寿命长。
Double transducer simplifies mechanic gearing. Easy to maintain, little wear and long life.
其中最常见的问题是髋臼臼底机械性磨损引起的疼痛(71%)。
The most essential problem causing hip pain was mechanical wear in acetabulum (71%).
对B104a一70型机械密封的磨损特性进行预测。
The wear characteristic of B104a-70 mechanical seal was predicted.
简约机械结构，磨损少、寿命长。
The machine structure is simple, less wear and tear, enduring. waste.
简约机械结构，磨损少、寿命长。
The machine structure is simple, less wear and tear, enduring. waste.
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