on the track
【建筑】轨道长度（组合轨道长度），交叉
track length (length of assembled track), crossing
暂无补充释义。
相关词条
bicycle racing track (cycle track)
germ line(Weismann 1865)germ track
endless TRACK(S) for exercising athletes
magnetic track
big dipper (switchback), up-and-down-hill track (switchback)
sound track on photo carrier
track levelling and tamping machine