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近几年来,随着安定、团结局面的持续发展,各项政策的不断落实,科研战线情况也开始好转。在地质钻探设备的研究领域里也不例外,同样在
In recent years, with the continuous development of stability and unity, the continuous implementation of various policies and the improvement of the scientific research frontline have also started to improve. In the field of geological drilling equipment research is no exception, the same in