The result shows that even without strength degeneration, the reliability and failure rate of components decrease with time.
研究表明，即使强度不退化，零件的可靠度和失效率也会随时间逐渐降低；
Laundry bags, stairs, chairs and even the bare floor can help build strength and endurance and burn fat. Here are some back-to-the-basics tips for creating your own workout without breaking the bank.
洗衣袋、楼梯、椅子甚至光地板都可以帮助你改善体力、提高耐力和燃烧脂肪。
Ultra steel is characterized by its higher cleanness and ultra-fine grain, thus it has higher strength, toughness and longer life even without addition of more alloying elements.
超级钢的主要特征是高洁净度和超细晶粒组织，在不增加任何合金元素的情况下，其强度、韧性和使用寿命提高一倍。
Ultra steel is characterized by its higher cleanness and ultra-fine grain, thus it has higher strength, toughness and longer life even without addition of more alloying elements.
超级钢的主要特征是高洁净度和超细晶粒组织，在不增加任何合金元素的情况下，其强度、韧性和使用寿命提高一倍。
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