锅炉点火前汽包水位应控制在()mm。
A.-50
B.+50
C.0
D.100
参考答案:A
- Why are you in such a hurry?
- I studied very hard for my math exam last night, so I slept late.
A.stayed up late
B.didn’t go to bed
C.got up late
D.went to bed late
根据建筑工程相关的规定,建筑裱糊与软包工程属于()分部工程。
A.建筑给水、排水及采暖
B.建筑屋面
C.建筑装饰装修
D.建筑电气