发布时间:2025-02-01 12:42:36
用专门的机器,看你对细度的要求,一般8mm左右的,最高产量5吨/小时,点我资料,有联系dianhua
房顶防水刚做完夏天雨下的再大也不漏一到冬天下大雪落水口冻住了来年开春就大面积漏水怎么回事啊
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