发布时间:2025-01-20 18:38:55
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。
刚交房我准备封阳台外面再做一层隐形防盗网可物业不让把业主原有的护栏拆除物业这属于违反物权发
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