45CrNiMoV use
百度知道无法提供作业答案,以下是相关介绍,供参考: 45CrNiMoV is a kind of high-alloy steel material which is mainly used in high-strength and high-temperature situations and has good mechanical properties such as thermo-plasticity, hardness, high strength and durability. The raw material of 45CrNiM......