在批林整风运动的推动下,在上级党委的正确领导和大力支持下,我矿与长沙矿山研究院遵照毛主席关于“开发矿业”和“中国应当对于人类有较大的贡献”的教导,发扬自力更生、艰苦奋斗的革命精神,实行领导、科技人员和工人“三结合”,经过八个月共同奋战,在欢庆“十大”胜利召开的日子里,试制成功全液压井下天井牙轮钻机。先后在地表和井下 With the correct leadership and vigorous support from the Party committees at higher levels under the impetus of the campaign of rectifying forests and rectifying the wind, and in accordance with Chairman Mao’s teachings on “developing the mining industry” and “China should make greater contribution to mankind”, I Mine and Changsha Mine Research Institute, Carrying forward the revolutionary spirit of self-reliance and arduous struggle, implementing the “triple combination” of leaders, scientists and workers and workers, and after eight months of fighting together, we successfully piloted a fully hydraulic downhole patio roller rig in the days of celebrating the victory of the “Top Ten” . Successively in the surface and underground