发布时间:2025-01-28 00:30:46
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。
某分部工程由甲乙丙三个分项工程组成它在平面上划分为四个施工段
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