主办：陕西省汽车工程学会
ISSN 1671-7988  CN 61-1394/TH
创刊：1976年
Automobile Applied Technology
Study on Technology of Improving the Strength and Toughness of Trailer Coupler
ZHANG Yanjing
Automobile Applied Technology . 2023, (18): 117 -121 .  DOI: 10.16638/j.cnki.1671-7988.2023.018.023