Rail grinder
01
钢轨打磨机, 轨道研磨机
a machine used to maintain and improve the condition of train tracks by grinding them to ensure smooth and safe operations
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
rail grinders
例子
The rail grinder operates by grinding away imperfections such as dips and bumps that can develop over time on the tracks.
钢轨打磨机通过磨削掉轨道上随时间可能出现的凹陷和隆起等缺陷来工作。



























