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为了加速地质普查速度，努力实现坑探机械化，我队在浙江省龙游探矿机械厂等单位的协助下，经过三次试制和生产试验，反复改进，不断完善，于一九七七年试制成功了“红旗”无轨内燃装运机，实现了短浅坑道施工除碴装、运、卸整个工序机械化。生产试验表明，使用这种装运机，可以大大减轻工人劳动强度，装运效率提高两倍以上。一九七八年二月国家地质总局科技组在浙江省常山县对该机进行了鉴定，即将批量生产，推广使用。
In order to speed up the geology census and try to realize pit mechanization, our team, with the help of units such as Longyou Prospecting Machinery Factory of Zhejiang Province, made repeated trial and production tests after repeated improvement and improvement. The trial was successfully completed in 1977 “Red Flag” railless internal combustion loading and unloading machine, to achieve a short shallow tunnel construction in addition ballast loading, transport, unloading the entire process of mechanization. Production tests show that the use of this machine can greatly reduce the labor intensity of workers, shipping efficiency increased more than twice. February 1978 State Bureau of Geology and Technology of Science and Technology in Changshan County, Zhejiang Province, the aircraft were identified, the upcoming mass production, promotion and use.