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在毛主席革命路线指引下,在批林批孔运动推动下,大同矿务局永定庄矿动力科维修队广大职工,破除迷信,解放思想,群策群力,苦干实干加巧干,于1973年5月,试制成功了我国第一台可缩皮带机和配套的转载机,经过不断改进,运转情况良好,运输能力大,事故少,操作简便,解决了回采顺槽的运输关键。到目前为止,该矿共安装了19条可缩皮带机。大同矿务局
Under the guidance of Chairman Mao’s revolutionary line and with the approval of the Campaign on Borehole and Punch holes, a large number of staff and workers of the Maintenance Section of Yongdingzhuang Mine in Datong Mining Administration, breaking away from superstition, emancipating their minds, making concerted efforts, In the month, the trial successfully produced the first shrinkable belt machine in China and its supporting reloader, which improved the running condition well, the transportation capacity was large, the accident was few and the operation was easy. So far, the mine has installed a total of 19 shrink belt conveyor. Datong Mining Bureau