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问题 问答题 简答题

如何判断煤气炉内结疤？

答案

参考答案：

在停炉加碳时，用探火棒插碳层时比较难插，碳层软化有时粘结产生挂壁炉上温度偏高，有时炉下温度也偏高下灰难度较大，炉顶炉底压差大，发气量降低供汽不足，气体质量差

填空题

观察下列数据，按某种规律在横线上填上适当的数：4，11，32，95，（    ）．
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完形填空

Good afternoon, ladies and gentlemen, my dear teachers and fellow graduates,

It is a great honor for    小题1:    to make a speech on behalf of（代表） the graduating class of 2014.

It has     小题2:  three great years for us to study in this beautiful school. Our teachers always try to     小题3:   their lessons lively and interesting. We have learned a lot    小题4:    our teachers over three years, but we could hardly succeed    小题5:    our teachers’ effort, our parents’ support and our classmates’ help. At this moment, I would like to thank all of you for   小题6:     you have done for us. As for my dear friends, I will never   小题7:    our friendship forever.

I wish our school   小题8:     beautiful and all of us a brighter future.

Goodbye, our beautiful school, our dear teachers and our friends.

Thank you for listening.
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