如果氢元素残留在部件中达到一定的时间，微结构损伤就会使钢材的机械性能严重衰减。
When hydrogen remains in a component for an extended time, the microstructural damage that develops significantly degrades the mechanical properties of the steel.
如果氢元素残留在部件中达到一定的时间，微结构损伤就会使钢材的机械性能严重衰减。
When hydrogen remains in a component for an extended time, the microstructural damage that develops significantly degrades the mechanical properties of the steel.
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