emergency shaft 中文意思是什麼

emergency shaft 解釋
備用井
  • emergency : n 突然事件;緊急情況,非常時期。 take emergency measures 採取緊急措施。 be prepared [ready] for a...
  • 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;...
  1. Choosing and application of the emergency ventilation plan during repairing air shaft

    風井井筒修復期間應急通風方案的選擇與實施
  2. Selection and installation of submarine pump in inclined shaft emergency draining

    斜井搶險排水中潛水電泵的配置及安裝
  3. Exploration of emergency aid system in shaft

    礦井應急救援體系初探
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