问题
填空题
液压传动系统由(),(),(),()组成。
答案
参考答案:动力机构、操纵机构、执行机构、辅助装置
液压传动系统由(),(),(),()组成。
参考答案:动力机构、操纵机构、执行机构、辅助装置
用方框中所给单词的适当形式填空,使句子通顺、正确。每个单词限用一次。(5分)
小题2:What does UN_________for? 小题3:You won’t be__________to watch with our fans if that’s what you think. 小题4:Mike often _________his weekends going swimming with his classmates. 小题5:The basketball match lasted three hours. It was quite_________. |