动力转向系的分类?
参考答案:
动力转向系是在机械转向系的基础上加设一套转向加力装置而构成的,分为液压助力式和全液压转向式两种。
(C)
The underlined part means "______".
A. he was feeling better than everB. he wasn’t a healthy manC. he was feeling worse than beforeD. he will be well again
驾驶电动自行车时,规定在桥上不可超车但没有对此的处罚条令。