正常运行中发电机内氢气压力（）定子冷却水压力。
A、小于；
B、大于；
C、等于；
D、无规定。
参考答案：B
根据上下文补全对话，每空一个单词。
A: Excuse me. Where's the train 1. ________?
B: Well, it's about three 2. _______ from here.
A: It's a little 3. ________.Can I take a bus?
B: Yes. You can take a No. 2 bus.
A: Can you tell me where the bus 4. _______ is?
B: Yes. Go along this road. It 5. ________you about five minutes.
采用罐车洗井的正常注水井，井口排量应控制在（）m3/h以上。
A、2
B、5
C、7
D、10
