counter-rail
基本解释
- 导轨,护轨
英汉例句
- Each column is equipped in both planes with a preloaded roller bearing guide rail.
每个立柱的两个平面均配有预加载滚柱轴承导轨。 - The welding carriage is adapted to the rails of various diameters,but each rail is adapted to the certain diameter pipe only.
焊接小车可适应各种直径的导轨，但每一种导轨只能适应一定的管道管径范围。