论文部分内容阅读
YDC—100型全液压动力头汽车钻，是由地质部勘探技术研究所和北京探矿机械厂共同研究设计成功的一台新型钻机。
YDC-100 full hydraulic power head car drilling, by the Ministry of Geology Exploration Institute of Technology and Beijing Prospecting Machinery Factory to study the successful design of a new type of rig.