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  • 電動執行機構
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天津天蝶閥門有限公司生產的802閥門電動裝置適用于中小通徑的蝶閥、球閥等做90&amp;#176;回轉的閥門和其它類似設備。作為可靠的角行程電動執行器,802系列閥門電動裝置靈活的設計,可適用于不同控制系統、不同工作環境的需要。《查看更多》
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熟妇人妻aV中文字幕老熟妇
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