发布时间:2025-02-05 11:54:19
说相当于国产的Cr12MoV是不完全正确的,因为SKD11的合金成分要比Cr12MoV的要高。性能也要比Cr12MoV好一些。它属于日本代号。
刚装修的时候没接地线也就是没埋进地线就两根线现在想接地线怎么接啊
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