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问题详情

某基坑深8m，长宽为80×42m，四类土，宜选用以下哪种挖土机和开挖方式？【】

A、正铲挖土机在坑上口开挖

B、正铲挖土机在坑底开挖

C、反铲挖土机在坑上口开挖

D、反铲挖土机在坑底开挖

时间：2021-07-17 23:31 关键词：土木工程专升本建筑施工组织 2019级毕业清考建筑工程技术高起专

答案解析

B

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