unbraced excavation是什么意思


中文翻译无支撑挖掘

网络释义

1)unbraced excavation,无支撑挖掘2)braced excavation,支撑式挖掘3)un-timbered excavation,无支撑开挖4)lack of cutting force,挖掘无力5)braced excavation,支撑开挖6)sheeting for excavation,挖方支撑

用法例句

热门行业英语

行业英语