醇解冷凝器液位LICAHL-43101L浮筒可用什么方法校验?
参考答案:
可用挂重法和水校法校验。
补全对话,在横线上填上合适的句子使对话完整。
Mary: Excuse me. 1______ I haven't seen him for weeks.
Bill: Jim's gone to England.
Mary: Really? 2______
Bill: He went there last week.
Mary: 3______
Bill: Yes. He had lived there for 15 years before he came to China.
Mary: 4______
Bill: He traveled with his friends.
Mary: 5______
Bill: He'll be there for about two weeks.
Mary: Oh. thank you. I'll phone him this evening.
成文宪法和不成文宪法,刚性宪法和柔性宪法都是由英国学者丁•蒲莱士最早提出的宪法分类。