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在目前钎子钢不足的情况下,我矿自采纳了工人杨广山同志提出的利用废钢材作钎子接手的建议后,解决了钎子钢不足的问题。用凿岩机废活塞(废矿车轴也可)经加工后,
In the current situation of insufficient brazing steel, mine solved the problem of insufficient brazing steel after adopting the suggestion made by the worker Yang Guangshan to take over the use of scrap steel. With a rock drill waste piston (waste mine shaft can also be processed,