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维基
百科
沉淀硬化
[机] precipitation hardening
- 化石是在50英尺深的石灰岩层里，它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago. - 通过高温抗氧化、盐雾腐蚀和应力腐蚀试验研究了07X16H6沉淀硬化不锈钢在使用状态（回火态）时的耐蚀性能。
The corrosion resistance of 07X16H6 precipitation hardening stainless steel in tempered state was studied using high temperature oxidation, salt-spray test and stress corrosion test.
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