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["[Каждый день задача №158] 7. 6 июля 2218 года", "Последний пост пользователя Сокровиница11 6-7 7 1 11 11 11 11 11 1 6 июля 2 2 11 113: редактирование [Каждый день задача №

2018-06-07View Original

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本帖最后由 聚宝盆一 于 2018-6-7 11:03 编辑 【每日一题 第158题】2018年6月7日 减压馏分油要实现窄馏分,关键控制真空度。 判断() 请在两日内作答。
Reply #22018-06-07
减压馏分油要实现窄(债)馏分,关键控制真空度 正确
Reply #32018-06-07
减压馏分油要实现窄馏分,关键控制真空度。 判断(对)

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