调车场内某一股调车线有效长为733m,该调车线换算容车数为()辆。
A.49
B.50
C.66
D.67
参考答案:A
Jerry and Lily the Internet to find out the shortest way to Xitang, an ancient town in China.
A.turned to
B.gave in
C.dreamt about
D.set down
先秦国家组织的特点。