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【ポンプ技術版 毎日一問】2020年1月11日(春節特典:解答発表前に正解すると10財富がもらえます)

2020-01-11View Original

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70. 光学合成水平器と枠式水平器を比較した場合、際立った特徴は()です。A、汎用性が高い B、精度が高い C、測定範囲が広い 昨日の問題の答え:A 69.ピストン圧縮機のシリンダーの水圧試験の圧力は、(A)の作動圧力である。A、1.5倍 B、1.25倍 C、1.1倍 (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)

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