魏碑心思朗文词典

ventilation shaft

V 开头单词

短语词组

    短語

  • piston ventilation shaft layout 活塞風井設置
  • ventilation of mine shaft 鑛井通風
  • south ventilation shaft 南風井
  • surface mine ventilation shaft 地麪風井
  • uranium mine ventilation shaft 鈾鑛井通風
  • emergency ventilation shaft 事故通風井
  • a ventilation shaft 排氣孔
  • tunnel l ventilation shaft 隧道通風井
  • ventilation shaft reconstructing 風井改造
    • 返回 ventilation shaft