A method to improve the tooth shape of mill roller and adopt the built - up-welding with tungsten carbide on the curved surface of tooth apex has been introduced.
提出了一种改进榨辊齿形并在齿顶弧面上堆焊碳化钨的方法及其加工工艺。
2
Gm also says the mill will be "one of the quietest and most refined engines in the segment" because of an acoustic intake manifold cover and inverted-tooth camshaft chains.