主磁极在定装时,必须保证主磁极的内径和()。
参考答案:同心度
—The children in rural areas have few books to read. Let’s ______ some books to them.
—Great, it is a good idea.
A.give away
B.hand out
C.take out
D.put out
脘闷,纳呆,泛恶,呕吐痰涎,可见于()
A.痰停于肺
B.痰浊中阻
C.湿浊阻滞
D.饮留胃肠
E.水液停聚