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.
针对当前单缸手持式内燃
岩机深孔岩存在
，研制了YNF30型带副缸式内燃岩机。
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.
针对当前单缸手持式内燃岩机深孔岩存在，研制了YNF30型带副缸式内燃岩机。
声明：以上例句、词性
由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件
观点；若发现
，欢迎向我们指正。
