sinking shaft是什么意思


中文翻译直下沉井法

网络释义

1)sinking shaft,直下沉井法2)down-hole DC electrical method,井下直流电法3)wall submersion,井壁下沉4)subsidence of shaft crib,井圈下沉5)drop-down of mine-shaft neck,井颈下沉6)manhole covers surrounding area sinking,井周下沉

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