上下移动需要一个车辆水平连接。Moving up and down requires one vehicle to connect horizontally.
上下移动需要一个车辆水平连接。Moving up and down requires one vehicle to connect horizontally.
A.正确
B.错误
正确答案:错误
上下移动需要一个车辆水平连接。Moving up and down requires one vehicle to connect horizontally.
A.正确
B.错误
正确答案:错误