洞内永久性防排水结构物施工时,防排水结构物的(  )应符合设计要求。A.与围岩等级匹配 B.断面尺寸 C.位置 D.断面形状 E.埋置深度

作者: rantiku 人气: - 评论: 0
问题 洞内永久性防排水结构物施工时,防排水结构物的(  )应符合设计要求。
选项 A.与围岩等级匹配 B.断面尺寸 C.位置 D.断面形状 E.埋置深度
答案 BCDE
解析

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