由于没有专用设备，大直径齿轮锥孔磨削非常困难。
It is very difficult to grind tapered bore in a large diameter gear without dedicated equipment.
对于加工圆周分布的球窝，没有适合的通用或专用设备。
There is no general or special equipment suitable for machining circular-distributed ball -pocket.
对于加工圆周分布的球窝，没有适合的通用或专用设备。
There is no general or special equipment suitable for machining circular-distributed ball -pocket.
应用推荐