In every corner of the world, there is a port that can recevie large ships carrying containers.
查看答案
Road freight is slower than road over long distances
A. 对
B. 错
Road freight is an easier option if you want to track cargo movement.
A. 对
B. 错
By rail freight, you may pay extra fee to move a container from rail to final destination.
A. 对
B. 错
光缆按照敷设方式有（）
A. 架空光缆
B. 直埋光缆
C. 管道光缆
D. 水底光缆
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