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风管穿墙用套管 meaning in Chinese

sleeve for duct passing through wall

Related Words

  1. 套管
  2. 穿穿
  3. 穿
  4. 套管针套管
  5. 穿墙套管
  6. 墙套管
  7. 风管报警
  8. 风管部件
  9. 风管道
  10. 风管底部
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