发布时间:2025-01-23 03:15:50
有管道。包完后肯定影响层高。
用木板、石膏板都行。
最主要考虑以后检修方便,留大点口。
某商店在大厅楼梯上铺设地毯已知这种地毯每平方米售价30元主楼梯道宽3米则地毯需要多少元
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