A.地基驗(yàn)槽 B.現(xiàn)場(chǎng)場(chǎng)地條件 C.基坑開(kāi)挖流程 D.基坑施工監(jiān)測(cè)數(shù)據(jù)
A.30° B.45° C.60° D.70°