YNF30 Jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持
岩机深孔岩存在的问题，研制了YNF30型带副缸岩机。
岩机YNF30 Jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持岩机深孔岩存在的问题，研制了YNF30型带副缸岩机。
声明：以上例句、词性分类均由互
源自动生成，部分未经过人工审核，其表达
容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
