掩护式液压支架升柱不同步原因分析与改进
杜奇, 吴桂陈, 陈良, 程梦远
Cause Analysis and Improvement of Unsynchronous Lifting Column of Shielded Hydraulic Support
煤炭工程 . 2023, (5): 81 -85 .  DOI: 10.11799/ce202305014