发布时间:2025-01-16 20:55:12
因为缝是用白水泥填的,白水泥没有防霉的功能,要不变色下次用塑钢泥好了,,门是回潮而成的,特别是外墙门最易受潮
cmachina metrology accredidation中国计量认证47认可怎么能查询一下哪些机构有这个资质呢
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