1.爆烈式火山喷发也称为培雷式火山喷发……………………（）

We need to provide a convincing ______ as to why the ru...

未知题型We need to provide a convincing ______ as to why the rule should be changed. （）

But now it is realized that supplies of some of them ar...

未知题型But now it is realized that supplies of some of them are limited, and it is even possibleB

按照DL/T435—2004《电站煤粉锅炉炉膛防爆规程》）规定，报警系统的设计，应使运行人员可以用手自行解列使...

未知题型按照DL/T435—2004《电站煤粉锅炉炉膛防爆规程》）规定，报警系统的设计，应使运行人员可以用手自行解列使其退出运行，如果由于设备故障而必须使其退出运行时，则必须由经过授权的人员去进行，并应将“退出运行”的标志牌挂在该报警信号上。