digging steps是什么意思


中文翻译台阶开挖

网络释义

1)digging steps,台阶开挖2)short step excavation,短台阶开挖3)excavation on different steps,分台阶开挖4)positive step excavation,正台阶开挖5)inverse step excavation,反台阶开挖6)three bench excavation,“三台阶开挖法”

用法例句

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