在前轮定位中,只有()可就车调整。
A、前轮外倾
B、前束
C、主销内倾
D、主销后倾
参考答案:B
试管里装着12cm深的水,则距试管底2cm处水所产生的压强是_______pa。 (g=10N/kg)
There _____ a mother, a father and children in the family. [ ]
A. be
B. have
C. are
D. is