Selenium works synergistically with vitamin E to boost antioxidant power and prevent or slow signs of aging and hardening of tissues through oxidation.
硒和维生素E相互协作，提高抗氧化能力防止和减缓老年化，通过氧化作用防止和减缓身体组织老化变硬。
An overall chromium coating improves the corrosion resistance of the generally used through-hardening rolling bearing steel.
一个总铬涂层提高了耐腐蚀性能的普遍使用，通过硬化滚动轴承钢。
AGING: the process of running product through low temperature air draw furnaces for the purpose of relieving stress which was caused in the hardening operation.
时效处理：指让产品通过低温通风炉以释放淬火造成的应力的工艺。
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