The most important principle of the cargo stowage is（）.

A.to avoid the rearrangement of the cargo loaded on board

B.to ensure the safety of the ship and cargo

C.to reject the damaged cargo during loading operation

D.to prevent the spontaneous combustion of coal and grain

分配器（OBCU DIS）分配数字和非数字输入和输出信号以及电源，并将电缆连接到（）和（）。