研究了合金元素对一种多元合金钢可逆回火脆性的影响。
Effect of alloying elements of a multicomponent alloy steel on the temper embrittlement is investigated.
本发明公开了一种多元合金钢管、紧固件、防护栏复合层的制作方法。
The present invention discloses a manufacture method for a composite layer of a complex alloy steel pipe, a fastening element, and a protective grating.
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