问题
单项选择题
若是报警停炉后再次启动再生气加热炉,须先()
A、对分子筛PLC复位
B、对微机复位
C、对燃烧器复位
D、燃烧器控制箱
答案
参考答案:B
若是报警停炉后再次启动再生气加热炉,须先()
A、对分子筛PLC复位
B、对微机复位
C、对燃烧器复位
D、燃烧器控制箱
参考答案:B
Hi, Tongtong! B: Hi, Bruce! 小题1: A: Very well, thank you. B: I know the 30th Olympic Games is coming next month. 小题2: A: Yes, that’s right. B: Will you go back to your hometown soon? A: Of course. And I will be a guide during the Olympics. B: 小题3: I was once a guide in the 2008 Beijing Olympics, too.A: Thank you! 小题4: B: Sure! We can help people to find their ways. Also, we can introduce the places of interest to the friends both at home and overseas. A: Excellent! I hope to become a guide like you! 小题5: Thanks a lot!B: You are welcome!
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