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
燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸燃凿岩机。
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.
针对当前单缸手持燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸燃凿岩机。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达
不代表本软件的观点；若发现问题，欢迎向我们指正。
