属于保证机械设备正常运转的必要条件是()。
A.调整与试运转
B.润滑与设备加油
C.工程验收
D.拆卸、清洗与装配
参考答案:B
Kitty's pencil case is _______ Amy's. It is also very small. [ ]
A. the same colour as
B. different from
C. alike
D. the same size as
IPOA故障是会影响哪些方面()
A.NB不能完成初始化
B.NB初始化结束后影响小区正常建立
C.影响客户接通电话
D.不能远程操作维护NB