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止回瓣阀 meaning in English

non return flap valve
non-return flavalve

Related Words

  1. 止
  2. 止止
  3. 瓣
  4. 止回瓣
  5. 止止点
  6. 止回
  7. 止回瓣
  8. 止回弹簧阀
  9. 止回的
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