气门弹簧三次设计中望目特性信噪比的存在问题与改进方法

气门弹簧三次设计中望目特性信噪比的存在问题与改进方法的英文翻译

基本释义

• A Flaw and Revision of Signal to Noise Ratio on Definite Purpose of Three Stage Design of Valve Spring