有没有既防水又防火的纸(书皮或布)?
扩展回答
有没有既防水又防火的纸(书皮或布)
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请问有没有既防尘通风又隔音的窗户
请问有没有既防尘通风又隔音的窗户啊?我们家住在三楼,一边靠着路边,晚上都很吵;有业主用过这类型的窗户吗?