down

  • down blow - 下排污
  • down cast - [鍋爐]降水管
  • down cast and up-take ventilator - 進排氣通風筒
  • down cast header - 降流管集箱；降流管頭箱
  • down cast ventilator - 進氣通風筒
  • down floading point - 泛水點
  • down hand welding - 俯銲
  • down hill direction welding - 下坡銲[接]
  • down lead - 導下線；引入線
  • down stroke - 下行衝程
  • down wash - 下洗；下洗流
  • down-comer tube - 降水管(鍋爐)
  • down-grade - 降等

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