on the track
【纺织；造纸】轨道铺设机
track laying machine (track laying machiery)
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