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【ポンプ技術版 毎日一問】2020年1月1日(当日正解で5財富がもらえます)

2020-01-01View Original

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60.技術進歩には()が含まれる。?A、施工生産における課題の解決に取り組む。B、措置において既存のものが改善される。C、新しい道具を用いて施工する。?【ポンプ技術版 毎日一問】59.漸開線円柱斜歯の分度円直径を計算するための式は()。A、d=mz B、d=MnZ/cosβ???? C、d=MtZ(翌日公表前日に解答、当日正解で5財富、参加で1財富の報酬)
Reply #22020-01-01
59、B 60、A

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