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我矿广大职工以批林整风为纲,在矿党委的一元化领导下,与长沙矿山研究院的技术人员共同协作,大搞科学实验,于1973年1～7月设计制造成功了一台天井牙轮钻机。在欢庆党的十大胜利召开的大喜日子里,继地表试验成功之后,又进行了井下工业性试验。到1973年11月3日,用直径216毫米的牙轮钻头钻凿了四个大孔,其中贯穿了三个28米的钻孔,质量合乎设计要求。工人们在十大精神鼓舞下,敢想敢干,一举改制成功了一个直径400毫
With the unified leadership of the coal mine party committee and mine workers, our mine workers and staff work together with the technical staff of the Changsha Mining Research Institute to conduct scientific experiments. From January to July 1973, the company successfully designed and manufactured a patio tooth Drilling rig. In celebrating the great victory day of the party’s top ten victories, they conducted an underground industrial test after the success of the surface test. On November 3, 1973, four large holes were drilled with a 216 mm diameter roller cone drill, which bore three 28-m holes that met the design requirements. Inspired by the top ten mothers, they dared to think and do their best. In one stroke, the workers succeeded in restructuring a system with a diameter of 400 millimeters