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接触コーキング改質油ブレンドバージョン 20190826

2019-08-26View Original

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参加する:賞品 1 フォーチュン;正解する:賞品 3 富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 多肢選択問題:遠心ポンプの揚程は流量とともに増加します ( )。A. 上昇、定格点を通過後下降開始 B. 上昇 C. 下降 D. 下降、定格点を通過後上昇開始: C https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注記:答えは2日後に自動的に発表されます。

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