早期()人的窄衣服装对为后来欧洲服装的发展开拓了新的道路。
A.东欧
B.南欧
C.西欧
D.北欧
参考答案:D
Before the economic crisis came,John had sensed that the firm was to be ruined and he________ just
in time. [ ]
A. pulled up
B. pulled out
C. pulled off
D. pulled down
传动比大于1是降速比,小于1是增速比,等于1是等速比。通过合适的挡位,用()的方法,换得输出扭矩的增加,以适应克服行驶阻力的需要。
A.换挡
B.降低转速
C.等速比
D.增速比