牵引车和挂车的连接方式

Connection mode of tractor and Trailer

牵引车和挂车的连接方式有两种：第一种是挂车的前面一半搭在牵引车后段上面的牵引鞍座上，牵引车后面的桥承受挂车的一部分重量，这就是半挂；第二种是挂车的前端连在牵引车的后端，牵引车只提供向前的拉力，拖着挂车走，但不承受挂车的向下的重量，这就是全挂。

There are two kinds of connection mode of the tractor and the trailer: the first one is the front half of a trailer traction saddle in the tractor rear section on the top of the back of the car bridge under traction Trailer part weight, which is half hanging; second is the front end of the tractor trailer even the rear of the towing vehicle only provide forward force, dragging the trailer go, but does not bear the weight down trailer, this is the whole hanging.