metal electrode facecomponent cylindrical devices 圆柱形表面组装元器件
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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