片语
track k gauge轨道尺
track gauge widening轨距加宽
TRACK ALIGNMENT GAUGE轨距测量器
track k gauge level gauge轨距水平测量仪
adjustment of track gauge轨距规的调整
universal track gauge万能轨距尺
track gauge level gauge轨距水平测量仪
track bushing groove gauge履带销轴套槽规
adjustable e track gauge活动道尺