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1990年10月,中国统配煤矿总公司组织掘进队上纲要创水平竞赛活动月,全公司98个队参加,有75个队达到等级队标准,累计进尺35.1万m,其中机掘4万m,徐州矿务局建井工程处101工区2队使用GTH-10型钻车和ZC2型侧卸装岩机在张集矿大断面岩巷,单孔月成巷260.7m。现将煤巷、半煤岩巷和岩巷实际月进前6名列于表1、2、3。
In October 1990, China National Coal Mine Corporation organized a team of leading members of the tunneling program to create a horizontal contest. In the month, a total of 98 teams participated in the project, and 75 teams reached the grade team standard with a total footage of 351,000 m, of which 400,000 m Xuzhou Bureau of Mines Construction Agency 101 work area 2 teams use the GTH-10 type drilling rig and ZC2 side unloading rock machine in Zhangji mine large section rock roadway, single hole month into the lane 260.7m. Now the coal lane, semi-coal rock roadway and the actual month into the top six are listed in Table 1,2,3.