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套管公扣护丝 meaning in English

casing screwprotector
casing-screw protector

Related Words

  1. 套管
  2. 套管针套管
  3. 公扣
  4. 梯形扣套管
  5. 套管隔开;下管入井
  6. 套管隔住的
  7. 套管钩
  8. 套管固定器
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