1984年2月,修改运行图将货运改为直达运输体制。为适应集装箱运输的发展,研究了载重5t的C型集装箱,有侧门又有端门。集装箱在专用线上即可卸货。其优点是在保证17m~3容积的条件下,不增加集装箱自重,制造费用低。端部增加的门为两扇门,左右固定装置为单独结构,箱内铺有4 In February 1984, the chart was revised to change the cargo to a direct shipping system. In order to adapt to the development of container transport, a 5-ton C-type container has been studied, with side doors and end doors. Container can be unloaded in a dedicated line. The advantage is that under the condition that the volume of 17m ~ 3 is guaranteed, the weight of the container is not increased and the manufacturing cost is low. The door added at the end is two doors, and the left and right fixing devices are in a separate structure, with 4 in the box