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毎日1問、正解者には6つの富を、参加者には2つの富をプレゼント;6月19日

2016-06-19View Original

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単一選択問題:カルシウムカーバイド法によるVCM転換時のサンプリングにおいて、塩化ビニルの純度を測定する際、サンプリングチューブからのガス漏れにより、測定される塩化ビニルの純度は実際の値よりも( )になる。 A、高め B、低め C、同じ 答え:B、低め

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