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wyl0618:行标是不宜超过15m,广东省标是跨高比20设置,我一般是18m左右,个别的20m可以不用做 (2020-04-21 09:16) lS |:4U.
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cdddd:基坑工程内支撑的设计与计算(马郧)2011.09.30 !z?;L_Lb https://wenku.baidu.com/view/1341be41ae1ffc4ffe4733687e21af45b307fef5.html (2020-04-18 13:16) 7A4_b8
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