位于头车的一端，中间车的两端。端墙位于入口和出口的两侧，起挡土和导流作用，是保证涵洞处路基或路堤稳定的构筑物。端墙的形式，常用有八字翼墙式和一字墙式。端墙也设置在通道的入口和出口处。
铁路货车生产品种众多，货车端墙结构形式各异。
Among the products of many varieties of the freight wagons, wagon end wall structure is different.
货车端墙属于薄板结构，在焊接生产过程容易发生失稳，产生波浪变形。
Truck end wall belongs to thin plate structure, so it easily occurs instability and produces waves deformation in welding process.
一可旋转转子轴安装在反应器的另一端墙，并通过反应器同轴扩展其纵轴。
A rotor shaft is rotatably mounted at opposite end walls of the reactor and extends through the reactor coaxially with its longitudinal axis.
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