问题:
A . It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions
B . The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea
C . It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized.
D . All the above
● 参考解析
本题暂无解析