hydraulic rail bender

例句：

1. 1. The hydraulic railbender is used to shape the rails for railway tracks.
   液压轨道弯管机用于铁路轨道的轨形加工。
2. 2. Thehydraulic rail straightener isdesigned to remove any kinks orwarps in the rails.
   液压轨道矫直机设计用来去除轨中的任何弯曲或扭曲。
3. 3. The hydraulicrail bender and straightener are essentialtools for maintaining the alignment of railway tracks.
   液压轨道弯管机和矫直机是维护铁路轨道对齐的关键工具。