哪些模块与E90的ELV有关:()
A. DSC
B. CAS
C. EKP
D. IHKA
按频率来分,晶体管可分为()。
A. 高频管
B. 低频管
C. 开关管
D. 以上都是
以下设备属于利用液体动能传递动力的是()
A. 油泵
B. 液压缸
C. 液压马达
D. 液力偶合器
E. 离心式水泵
You()to the meeting this afternoon if you have something important to do.
A. needn't to come
B. don't need come
C. don't need coming
D. needn't come