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毎日1問、正解者には6つの財富が報酬として与えられ、参加者には2つの財富が与えられます;第462題

2016-03-13View Original

Thread Content

複数選択問題:PVC樹脂の乾燥工程において、不純物が混入しやすい装置はどれか( ) A、エアフィルター B、エアヒーター C、遠心分離機;D、振動ふるい 答え:AD 
Reply #22016-03-13
PVC樹脂の乾燥工程において、不純物が混入しやすい機器は( AD ) A、エアフィルター B、エアヒーター C、遠心分離機;D、振動ふるい
Reply #32016-03-13
PVC樹脂の乾燥工程において、不純物が混入しやすい機器は( A D ) A、エアフィルター B、エアヒーター C、遠心分離機;D、振動ふるい

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