@article{yjycl2108474130418237442,
  title = {42CrMo硬度研究及改善措施},
  author = {李昂},
  journal = {冶金与材料},
  year = {2020},
  number = {3},
  pages = {146--147},
  issn = {2096-4854},
  url = {https://journal.zazhitong.com/yjycl/articles/2108474130418237442},
}