求翻译：通过牵引车与挂车(或半挂车)之间的自由分离与结合，并对牵引车与挂车(或半挂车)进行调度与搭配，缩短因装卸货物而造成的牵引车停滞时间，提高牵引车的使用频率。与传统运输模式相比，甩挂运输成本较低，效率较高，车辆周转较快，节能减排效果较好。甩挂运输将成为未来的主流运输方式。是什么意思？

By tractor and trailer (or semi-trailer) separation between the free and combined, and the tractor and the trailer (or semi-trailer) and match schedule, shorten the loading and unloading of goods due to dead time caused by the tractor, tractor increase frequency of use. Compared with the traditional

Through semi-trailers, tractors and trailers, (or) between the separation and freedom, and combined with the tractor and trailer (or semi-trailers) for scheduling and mix for loading or unloading of the cargo, and shorten the time and improve tractor trailer stagnation the frequency of use. Compared

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Through the towing vehicle and trailer (or semi-trailer) between separation and combination of freedom, and on the towing vehicle and trailer (or semi-trailer) scheduling and collocation, shortening the tractor to a halt due to loading and unloading time, improve the frequency of use of tractor. Com

By tractor and trailer (or semi-trailer) separation between the free and combined, and the tractor and the trailer (or semi-trailer) and match schedule, shorten the loading and unloading of goods due to dead time caused by the tractor, tractor increase frequency of use. Compared with the traditional