【摘要】 介绍了我国第一台大型斜孔工程钻机的工作原理、性能特点和结构特点，该机能为基础桩孔施工带来良好的经济效益和社会效益。更多还原

【Abstract】 A new type engineering drill machine, which is the first large-size oblique-hole drill in China, was inrtuced in it’s working principle, function characters and consmiction. The machine can bring a striking economic benefit and good social result for basement hole drilling project.更多还原