牙轮钻头密封试验技术研究及密封圈性能评价
况雨春1(),何鹏1,何璟彬2,魏琦3,周姝文4,董宗正1
Research on sealing test technology of cone bit and evaluation of seal ring performance
Yuchun KUANG1(),Peng HE1,Jingbin HE2,Qi WEI3,Shuwen ZHOU4,Zongzheng DONG1

图9. 左端盖三维结构示意图

Fig.9. Three-dimensional structure diagram of left end cover