发布时间:2025-01-20 18:37:53
大致的参考数据:
钨钴类硬质合金:14.4-15.8;
钨钴钛类硬质合金:11.-13.2。
麻烦帮忙分析一下次卧不方正的缺陷怎样装修改造凸出的部分对着一个小窗户
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