下列属于常见基础形式的是( )。
A.壳体基础
B.圆环基础
C.条形基础
D.圆板基础
参考答案:C
---Currently it is difficult to find a good job in the fierce job-hunting market.
---_____. But highly-qualified graduates are always in great demand.
A.I hope so
B.That’s all right
C.No kidding
D.That sounds reasonable
ZY4、ZY6、SH6电液转辙机轮修周期为().
A.12年
B.14年
C.15年
D.5~10年