发布时间:2025-01-30 16:31:30
25平方的房间,足够,但是要放2个。这是规范要求,不能放一个。4公斤的,能保护75平方的空间。
针刺无纺布跟普通的无纺布有什么区别价格是按47吨还是按平方算的
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