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滑楔式锚杆 meaning in English

sliding wedge bolt
sliding wedge roof bolt

Related Words

  1. 楔
  2. 锚楔
  3. 锚
  4. 滑楔卡盘
  5. 滑楔螺栓
  6. 滑楔试算法
  7. 滑斜面
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