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我公司第三勘探队,为改变钻机现场挖掘工作的落后状态,于1979年下半年试制成功一台全液压挖掘翻斗车,经试用证明,较果良好。
The third exploration team of our company, in order to change the laggard status of drilling work on site, successfully completed a full hydraulic excavation dumper truck in the second half of 1979. Proved by trial, it is better than fruit.