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  • 電動執行機構
  • 閘閥、蝶閥
底座式角行程QT電動執行器是天蝶閥門在綜合國內外同類產品特點的基礎上研制的一種獨立式部分回轉產品。它適用于控制蝶閥、球閥、旋塞閥等做90?;剞D的閥門。《查看更多》
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熟妇人妻aV中文字幕老熟妇
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