发布时间:2025-01-28 00:16:50
按理论上说,应该是控制垂直高度,但是因为坡道的坡度是有上限的,这样控制竖直高度就可以了。如果不是特别紧张的话,做富裕几百,有好处。
一个房间长81米宽52米现在要铺上边长为06米的正方形地砖100块够吗
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