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楔缝锚杆 meaning in English

sliding-wedge roof bolt

Related Words

  1. 锚楔
  2. 缝楔
  3. 楔缝
  4. 锚缝
  5. 楔分, 楔开, 楔紧
  6. 楔缝
  7. 楔缝式
  8. 楔缝式杆柱
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