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["【Дневнаяырзадача】производство водорода,обмен водородом",,"Участие: награда в криетах; правильный ответ: 3 криета; примечание: время действия этого поста составляет 48 часов.","Вопрос: скорость потока топливного газа не упоминалась как слишком высокой или слишком низкой, если (низкая), это будет правильным."]

2020-07-07View 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:火焰回火主要由于燃烧器喷嘴处流速或燃料气中氢气浓度太高时而造成的一种火焰由燃烧室缩回到混合室的现象。( ) 答案: 正确 您的参与,就是对我们工作的最大支持。送人玫瑰,手留余香。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。
Reply #22020-07-08
题目燃料气流速没有说过高还是过低,要是过低就是正确的

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