metal fatigue

• 金属疲劳

metal fatigue的用法和样例：

例句

1. The aeroplane wing showed signs of metal fatigue.
   机翼显出有金属疲劳的现象。
2. Serious bumpy flight conditions may lead to material fatigue and even to aircraft failure, not to speak of passenger discomfort.
   剧烈的颠簸飞行状况可能导致金属疲劳，甚至导致飞机失事，更不必说旅客感觉不舒适了。