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プロセスエンジニアリング部門-計装自動制御版-毎日一問-2020-02-27日の問題

2020-02-27View Original

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プロセスエンジニアリング部門-計装自動制御版-毎日一問-2020-02-27日の問題 空欄埋め問題:42、調節弁上の(   )パッキングの作業温度は約-200~600度です℃;(  )の動作温度は約-40~250℃です。  参考答案:黒鉛    テトラフルオロ   
Reply #22020-02-27
O型グラファイトパッキン、V型テトラフルオロパッキン

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