编组线上现有车数

classification of cars table of wagons on sorting tracks born on the wrong side of the tracks shunting on level tracks nondetaching repair of cars humping of cars in the presence of presence of mind specialization of tracks flexible use of tracks survey of existing tracks free on board cars LCL game of two cars filling of tank cars number of tracks free passing of cars marking of cars nondetaching rapair of cars cars bottom unloading of tank cars bottom filling of tank cars static load of freight cars