正确答案: B
B、冷炉启动时
题目:热载体在运行中有自然损耗要及时补加,在()补加冷热载体。
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学习资料的答案和解析:
[单选题]锅炉尾部烟道内发生爆燃,主要发生在()锅炉上。
A、油、气、煤粉
[单选题]You issued the following commands to configure setting in RMAN;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?()
It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
[单选题]炉管爆破,不能维持汽包水位时,应()。
紧急停炉