Since not all of these can be removed, you may dress the seat with a "valve seat dresser" by grinding down the uneven surface.
因为并不是所有这些可以被删除，你可以打扮的“阀座修整磨削的座位下的不平衡”表面。
2
This paper describes the design and application of automatic plunge grinding device for M1080 centerless grinders, assuring the process accuracy of engine valve stem.
M 1080无心磨床的自动切入磨削装置的设计与应用，保证了汽车发动机气门杆部加工精度。
3
The pneumatically driven LCD is designed for in-situ grinding of valve seats on large bore 2-stroke diesel engines.