... 避难线 refuge siding;catch siding 拨道机 track lining machine 路基加固 subgrade strengthening ...
基于60个网页-相关网页
... mechanical tomato picker 番茄采摘机 mechanical track aligner 拨道机 mechanical track renewal 线路机械化更新 ...
基于6个网页-相关网页
短语
起拨道机
track lifting and lining machine
·2,447,543篇论文数据，部分数据来源于NoteExpress