【单选题】在温度为T下,CaCO3(s),CaO(s),CO2(g)平衡系统的压力为p,已知它们之间存在反应CaCO3(s) = CaO(s) + CO2(g),若向该平衡系统加入CO2(g),当重新达平衡时,系统的压力( )。
【单选题】供热管道及其设施包敷保温层,主要目的是()。
【单选题】某热力管网工程,架空管道保温棉毡厚12cm。项目部确定本工程施工质量控制的重点是管道焊接和保温,保温施工中,保温棉毡至少应分为______层施工。
【单选题】若线路上存在翻越点,但设计中没有考虑,管道投产后其输量 。
【单选题】— Can you imagine that we've translated 30% of the long article today? — _____. You're so smart and quick! [ ]
【简答题】管道外部加保温层的目的是()管道的热阻,()热量的传递
【简答题】阅读理解。 Imagine you're at a party full of strangers. You're nervous. Who are these people? How do you start a conversation? Fortunately, you've get a thing that sends out energy at tiny chips in everyon...
【判断题】管道外部加保温层的目的是减少管道的热阻,增强热量的传递。
【简答题】Imagine you’re at a party full of strangers. You’re nervous. Who are these people? How do you start a conversation? Fortunately, you’ve got a thing that sends out energy at tiny chips in everyone’s na...