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毎日1問、正解者には6つの富を報酬として、参加者には2つの富を報酬として与えます;10月10日

2016-10-10View Original

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単一選択問題:PVC懸濁重合システムにおける遠心水ポンプについて、現在は水よりも粘度の高い液体である分散剤などを送液するように変更した場合、ポンプの揚程は( )になる。 A.減少 B.増加 C.変わらない 答え:A.減少

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