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triple-heading room-and-pillar mining meaning in English

三平巷房柱采矿法

Related Words

  1. pillar stiffener
  2. cyclic triple
  3. triple producer
  4. triple reaction
  5. triple rhythm
  6. triple strength
  7. triple point
  8. triple nerved
  9. triple bars
  10. triple alliance
  11. triple-harmonic
  12. triple-headed capstan
  13. triple-headingroom-and-pillarmining
  14. triple-hinged arch
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