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
- 上一篇：港口装卸包括码头前方装卸船舶和后方配套装卸船舶。Port loading and unloading includes loading and unloading vessels at the front of the wharf and supporting loading and unloading at the rear.
- 下一篇：连续作业流动性强，装卸位置变化范围大。Continuous operation has strong mobility, and the loading and unloading location can be changed in a large range.