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 of Drum Spiral Direction and Wire Rope's Lay Direction of Oil Drilling Drawworks
CHENG Li
Automobile Applied Technology . 2021, (17): 218 -220 .  DOI: 10.16638/j.cnki.1671-7988.2021.017.062