采用机械挖槽时,沟槽分层的深度应按()确定。A:机械数量B:挖斗容量C:降水类型D:机械性能

作者: rantiku 人气: - 评论: 0
问题 采用机械挖槽时,沟槽分层的深度应按()确定。
选项 A:机械数量 B:挖斗容量 C:降水类型 D:机械性能
答案 D
解析

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