shaft deepening 中文意思是什麼

shaft deepening 解釋
立井開鑿
  • shaft : n 1 箭；箭桿。2 （槍、槌、斧等的）柄；矛。3 【植物；植物學】稈；莖；柄。4 【動物；動物學】羽軸；...
  • deepening : 加深
  1. New way of deepening skip loading chamber construction in shaft

    立井延深箕斗裝載硐室施工新途徑
  2. Connecting survey of the deepening of blind service shaft

    盲副井延深的貫通測量
  3. Construction technology of overhead crossing point in deepening work of staple inclined shaft

    暗斜井延深工程立面交岔點的施工工藝
  4. Preliminary analysis of shaft deepening through survey of auxiliary shaft at renlou coal mine

    任樓煤礦副井井筒延深貫通測量淺析
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