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【ポンプ技術版 毎日一問】2020年1月19日(春節特典:答えを公開する前に正解すると10財富がもらえます)

2020-01-19View Original

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78. ドリル盤で穴を開けるとき、()が送り運動です。A、ドリルビットの回転 B、ドリルビットの軸方向移動 C、ワークの回転 昨日の問題の答え:A 77.技術攻略とは、(A)と密接に関連する科学研究課題を指す。?A、工学 B、技術 C、科学 (翌日発表の前日に答えを公開。発表前に正解すると10財富の報酬、発表後に正解すると5財富の報酬、参加だけでも3財富の報酬がもらえる)

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