工芸基礎知識（選択問題）20181226
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プロセス（装置）用ポンプには、給料ポンプ、リターンポンプ、塔底ポンプ、循環ポンプ、製品ポンプ、注入ポンプ、補給ポンプ、洗浄ポンプ、排泥ポンプ、特殊用途ポンプなどがある。 a 正解 b 誤答
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