凸三角形陶瓷可转位插刀
convex triangular ceramic indexable insert
气门座研磨机
valve seat grinder
valve seat lapping machine
偏心气门座研磨机
eccentric valve seat grinder
内外圆研磨机
internal-external lapping machine
内径锯子研磨机
inner diameter saw with built-in grinder
离心粘胶研磨机
centrifugal viscose grinder