“bench excavation method”的概念、定义、翻译、参考文献-科学参考

单词	bench excavation method
释义	bench excavation method Encyclopedia 工学岩石工程开挖释 bench excavation method台阶开挖法将隧道断面分成上、下两个断面分次开挖形成台阶，然后上、下断面平行推进的施工方法。简称台阶法。
随便看	minimum variance estimation minimum variance estimator minimum variance hedge ratio minimum variance prediction minimum variance self-tuning regulator minimum variance spectrum estimation minimum vector minimum vertex cover minimum vertex cover algorithm minimum viable population minimum visibility minimum wage minimum-wage guarantee system minimum wage standard minimum weight spanning tree minimum with a condition minimum with a constraint minimum work minimum workable width mining abrupt environmental affairs emergency preparedness mining accident mining activity concentration area mining and driving equipment mining and metallurgy in ancient China mining and oredressing techniques in ancient China

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