大学MOOC Pavement Engineering(Chang'an University)1461333171 最新慕课完整章节测试答案
Chapter 2 Traffic and Environment
Quiz2
1、单选题:
There are ___ tires for a vehicle whose front axle is type-1 axle and the rear axle is type-5.
选项:
A: 4
B: 6
C: 8
D: 2
答案: 【 6】点我阅读全文
