问题
单项选择题
废热回收系统关断信号报警有()。
A.雾化空气高温
B.天然气低低压
C.热油高温
答案
参考答案:B
废热回收系统关断信号报警有()。
A.雾化空气高温
B.天然气低低压
C.热油高温
参考答案:B
Passage Three
According to the talk, where could visitors get something to eat in the evenings
A.In a pub.
B.In a fish-and-chip shop.
C.In a good restaurant.
D.In a factory canteen.