跟管钻拔管器快速自锁卡钳的研制与应用

王玺,刘显军,胡建林,黄鹏,刘金龙

Development and application of fast self-locking caliper for pipe drill rig puller

WANG Xi,LIU Xianjun,HU Jianlin,HUANG Peng，LIU Jinlong