试题与答案

锅炉的辅助受热面主要是指过热器、()和空气预热器。A、炉排 B、省煤器 C、水冷壁

题型:单项选择题

题目:

锅炉的辅助受热面主要是指过热器、()和空气预热器。

A、炉排

B、省煤器

C、水冷壁

D、锅筒

答案:

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参考答案:C

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      Hello, I'm Peter. I'm a student. Usually I go to school on foot. Because my home is near the school. My

father is a teacher. He often goes to work by subway. Sometimes he goes to work by taxi. My mother is a

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