论文部分内容阅读
湘东钨矿与中南矿冶学院合作,于1973年12月研制成一台全液压凿岩台车,为矿山平巷掘进和隧峒工程提供了一种新型机械化凿岩设备。
The Xiangdong tungsten mine cooperated with the Central South School of Mining and Metallurgy and in December 1973 developed a full-hydraulic drilling rig to provide a new type of mechanized rock drilling equipment for mine roadway tunneling and tunneling projects.