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["1. 2. 27 июня 2. 2 207 года, тренировка, 2. 1. Ответ получает 6 баллов (если ответ не будет дан в течение 1. 1. дня, 1. 1. спасибо за ответ

2017-06-03View Original

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1. Один вариант ответа (о误答不评分) 减压塔顶油水分液罐通常设有破坏虹吸的倒U形管,管顶部阀门应(C)。 A. 当水位过高时关闭 B. 在正常生产时关闭 C. 在正常生产时打开 D. 当油位过高时关闭 Ответ на пост не оценивается после 1. 1. дня, 1
Reply #22017-06-03
题谢

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