题目内容

The field coils and the armature(电枢) . This is in fact the arrangement adopted for large, heavy duty alternators.

A. are stationary(固定的)/rotates
B. are stationary/is stationary
C. rotate/ is stationary
D. rotate/rotate

查看答案

搜索结果不匹配？点我反馈

更多问题

色彩的三要素是色相、_______与饱和度。

The engineer ______ the watch to the relieving officer if there is reason to believe that

A. shall take over
B. shall not take over
C. shall hand over
D. shall not hand over

()实行进出平衡合拢制度。

计算机主要应用于数值计算、信息管理、()和辅助工程。

A. 企业管理
B. 过程控制
C. 天气预报
D. 电算化