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["Катализаторная коксация重整油品调和版", "Участие: награда в виде богатства; правильный ответ: награда 3 богатства. ⚿ ⿿ Несколько вариантов ответа: среди следующих вариантов ответа не является явлением, вызванным отключением насоса ( ). A) Виляние насоса较大,

2019-05-20View Original

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参与:奖1财富;回答正确:奖3财富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 单选题:下列选项中,不是由于泵抽空引起的现象是( )。 A、泵振动较大 B、泵内有杂音 C、管线内有异声 D、电机发烫 答案: D https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注:两天后答案自动公布。

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