国际领先的系列多用金属模板煤科总院北京建井研究所、兖州矿务局、大屯矿建公司、峰峰矿务局等单位共同研制的ＭＪＹ型系列多用金属模板，在技术上为国内首创，并具有国际领先水平，已由专家通过技术鉴定。这种系列多用金属模板是在原有ＭＪＹ型整体下移模板的基础上，充... The world’s leading series of multi-purpose metal template MJY series multi-purpose metal template co-developed by Beijing Institute of Well-built Beijing Coal Mining Research Institute, Yanzhou Mining Bureau, Datun Mining Construction Company, Fengfeng Mining Bureau and other units, technically for the domestic First, and has the international advanced level, has passed the technical appraisal by experts. This series of multi-purpose metal template is in the original MJY-type overall downward based on the template, filling ...