经过对产品图纸、现生产手段进行综合分析，通过改进气门座尺寸要求，改进加工工艺方法，有效地解决了这一关键质量问题。
By analysis of drawings, machining measures, this key problem is solved effectively through improving the requirement of valve seat size and machining techniques.
经过对产品图纸、现生产手段进行综合分析，通过改进气门座尺寸要求，改进加工工艺方法，有效地解决了这一关键质量问题。
By analysis of drawings, machining measures, this key problem is solved effectively through improving the requirement of valve seat size and machining techniques.
应用推荐