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阀，止逆阀 meaning in English

back pressure valve（non-return vale）

Related Words

  1. 逆
  2. 逆止
  3. 止
  4. 止止
  5. 阀，活门
  6. 阀，连接
  7. 阀；气阀
  8. 阀；气门；活门
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