On the basis of the characters of HG - II myriametre rail welder and thetechnological request of rail gas pressure welding in the field, a ra.
技标准和施工工艺特点,在客运专线铺轨基地建造了全自动的钢轨焊接流水生产线,总结出了钢轨闪光接触焊的施工关键技。
On the basis of the characters of HG - II myriametre rail welder and thetechnological request of rail gas pressure welding in the field, a ra.
技标准和施工工艺特点,在客运专线铺轨基地建造了全自动的钢轨焊接流水生产线,总结出了钢轨闪光接触焊的施工关键技。
: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,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。