论文部分内容阅读
1 烧结低合金钢材 低合金钢粉用于制造汽车及普通机械零部件。表1是高强度烧结机械零件及使用材料对照。烧结
1 sintered low alloy steel low alloy steel powder used in the manufacture of automotive and general machinery parts. Table 1 is a high-strength sintered parts and materials used control. sintering