Internal stresses的用法和樣例：
例句
- The machine is made from steel.It's vibration treated roil to reduce internal stress.
本機械為鋼板結構，經(jīng)振動(dòng)時(shí)效消除內應力。 - This is a method of reliving the internal stress set up in steel during forming, cold working, and cooling after welding or machining.
這是消除內應力的一種方法，內應力是在鋼鐵的成形中，冷加工中，焊接或切削后的冷卻中產(chǎn)生的。
