What's more, it has the advanced tool grinding, cylindrical grinding machine, precision detector devices.
并拥有先进的工具磨床、外圆磨床、精度检测仪等设备。
There are many kinds of spring in spring suspension devices, but the most used spring in rolling-stock is cylindrical spiral spring.
铁路车辆用弹簧的种类虽多，但最常用的还是簧料截面为圆形的螺旋弹簧。
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