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竖井口 meaning in Chinese

collar of shaft
eye
pit mouth
shaft mouth
silo opening

Related Words

  1. 隧道竖井
  2. 竖井盖
  3. 竖井井筒
  4. 上行竖井
  5. 竖井抓岩机
  6. 电缆竖井
  7. 挖竖井
  8. 圆竖井
  9. 勘探竖井
  10. 竖井挖掘机
  11. 竖井开拓
  12. 竖井开挖
  13. 竖井口出车台
  14. 竖井矿
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