题目

英语翻译
These are the largest and most effective classification yards with the largest shunting capacity of several thousand cars a day.The heart of these yards is the hump:a track on a hill over which the cars are pushed by the engine after being uncoupled just before or at the top and then they roll,either as a single cars or some copuled cars together,by gravity into their destination tracks in the classification bowl (the tracks where the cars are sorted)

提问时间：2020-10-13

答案

这是最大的和最有效的分类码与最大的分流能力几千汽车一天.心脏这些码是驼峰：轨道在山坡上的,车推的引擎后,解耦之前或在顶部,然后他们推出,无论是作为一个单一的汽车或耦合汽车一起,通过重力进入目标轨道的分类碗
绝对人工 靠谱