依靠科技进步煤矿技术面貌换新颜河北煤炭工业管理局牛银海河北煤炭工业进入“八五”初期，遇到了一些新形势、新问题。一是长期以来地质勘探能力不足，造成勘＊探与开采比例失调，新井建设后备资源不足，又由于“七五”以来新井建设跟不上，和现有生产矿井１／３衰＊老报... Relying on scientific and technological progress in coal technology for a new look Hebei Iron and Steel Industry Administration Niu Yinhai Hebei coal industry entered the “Eighth Five-Year” initial period, met with some new situations and new problems. First, due to the lack of geological prospecting capability over a long period of time, the ratio of exploration exploration to exploitation is not balanced, reserve resources for new wells are not sufficient, and the new wells have not kept up with the construction since the “Seventh Five-Year Plan” and the existing one-third decline in production mines. ..