低位放顶煤反四连杆过渡支架关键部件设计研究
巩德华, 贾晖, 厉功卓, 王军辉, 曹连民
Design and Research on Key Components of Low Position Top Coal Anti-four-link Transition Support
煤炭工程 . 2021, (5): 177 -181 .  DOI: 10.11799/ce202105033