直流电机电刷不在几何中心线上时,除()磁势外,还有直轴电枢磁势。
参考答案:交轴电枢
根据对话内容,从方框中选出能填入空白处的最佳选项。
A. Yes, very much .I watch them once a week
B. The Movie Palace has the biggest screen but it's too expensive
C. Giant Cinema
D. It has the most comfortable seats but it has the worst service
E. It has the friendliest service, and it is not very expensive
A: Do you like watching movies?
B: 1. ________
A: So what do you think is the best movie theater in town?
B: 2. ________
A: Why do you think so?
B: 3. ________
A: Well, what do you think about Sunlight Cinema?
B: 4. ________
A: What about the Movie Palace?
B: 5. ________
A: What about going to see a film this afternoon?
B: Sounds a good idea.
患者,女,21岁。两小腿皮炎,在亚急性阶段,渗液与糜烂很少,红肿减轻,有鳞屑和结痂。外治剂宜选用()
A.洗剂
B.粉剂
C.溶液湿敷
D.软膏
E.油剂