井下直驱螺杆泵无杆举升技术
, 朱世佳Submersible direct-drive progressing cavity pump rodless lifting technology
HAO Zhongxian1 , ZHU Shijia1 , PEI Xiaohan1 , HUANG Peng1 , TONG Zheng1 , WANG Benyuan2 , LI Deyin3
, ZHU Shijia