【摘要】 通过对我国钎钢钎工业发展历程和现状分析,认为国内钎钢钎具工业通过近50年的发展,已经形成了相当的生产规模,但在产品质量、品种规格方面都没有太大的飞跃。指出了我国钎钢钎具工业的发展方向。更多还原

【Abstract】 Analyzing from the development course and current status of domestic rock-drill steel and rock-drill tool industry, the paper concludes that domestic rock-drill steel and rock-drill tool industry have formed considerable large product scale through almost fifty years’ development,but there is no too great leap on product quality, variety and specification, the development trend of rock-drill steel and rock-drill tool industry is also indicated更多还原