试题与答案

锅炉吹灰系统通常采用的吹灰介质为（）。A、饱和蒸汽； B、过热蒸汽； C、排污水；

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题型：单项选择题

题目：

锅炉吹灰系统通常采用的吹灰介质为（）。

A、饱和蒸汽；

B、过热蒸汽；

C、排污水；

D、压缩空气。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B

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