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["["Ежедед每日一题】производство и гидрогенизация водорода"], ["Участие: возннннннть 1богатство); Ответ на вопрос правильно: 3 (богатство); Замечание: данное сообщение действительно в течение 48 часов.."], ["Тест: насос используется для перекачки жидкостей,", "Независимо от от ви жидкости,", "Нет выбора介质", "Только учиться объема и и давления.\"]} ["Ответ: Невер"])

2020-02-08View Original

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参与:奖1财富;回答正确:奖3财富;注:此贴有效时间48小时。 https://bbs.hcbbs.com/static/image/hrline/2.gif 判断题:泵是输送液体的,无论什么液体都可以输送,不存在介质的选择,只考虑流量与压力的大小。(  ) 答案: 错误

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