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["一日一題",,"一般的離心ポンプを起動する際には、排出弁は( )\nA、閉じる\nC、開ける\nC、必ずしも\n答え:A","答えはA、这样的题还出吗?","一般的離心ポンプを起動する際には、排出弁は( )\nA、閉じる\n\nC、開ける\n\nC、必ずしも\n答え:A"]

2018-02-14View Original

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一般离心泵起动时,出口阀必须( ) A、关闭 C、打开 C、不一定 答案:A
Reply #22018-02-15
答案为A,这样的题还出吗?
Reply #32018-02-15
一般离心泵起动时,出口阀必须( ) A、关闭 C、打开 C、不一定 答案:A

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