A-A+

_____ will be used to blow away the combustion products from the tube surfaces.

2020-09-18 20:41:15 资格考试 阅读

问题详情

A.The blow down valve

B.The scum valve

C.The air release cock

D.The soot-blower

请帮忙给出正确答案和分析,谢谢!

参考答案

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