试题与答案

一般在CFB锅炉风室上装有(),便于检修使用。 A.手孔 B.检查孔 C.观看孔 D

题型:单项选择题

题目:

一般在CFB锅炉风室上装有(),便于检修使用。

A.手孔

B.检查孔

C.观看孔

D.人孔

答案:

参考答案:D

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