单项选择题

热风炉是为高炉炼铁生产提供热风的设备。热风炉可能发生的恶性事故不包括(  )

A.冷风管道煤气爆炸
B.炉壳大面积炸飞
C.煤气中毒
D.灼烧烫伤
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热门 试题

单项选择题
炼钢生产过程中高温作业线长,设备种类多,危险因素也较多。下列不属于其危险因素的是( )
A.钢水和熔渣喷溅与爆炸
B.煤气中毒
C.高炉坍塌
D.起重伤害
未分类题
听力原文:M: Why don't you wash the clothes?W: Why don't I wash? I am wondering the same thing about you.Q: What does the woman mean?(5)A.She is wandering.B.She is thinking.C.The man should wash the clothes.D.She has already washed the clothes.
A.Q:
B.She
C.
B.She
D.
C.The
E.
D.She
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