rail end welding

常用的焊接英... ... 凸面对焊法烂 raised face welding neck flange 轨端补焊 rail-end welding 自动点焊法 automatic spot weld ...

机械英汉词典... ... rail-end milling machine 钢轨端面铣床 rail-end welding 钢轨补焊 rail-end-hardening machine 轨端淬火机 ...