2015年最新钢轨规格介绍VIP免费

1 1.轻轨 ............................................................................................................................... 2 8kg ............................................................................................................................. 2 12kg ........................................................................................................................... 2 15kg ........................................................................................................................... 2 18kg ........................................................................................................................... 3 22kg ........................................................................................................................... 3 24kg ........................................................................................................................... 4 30kg ........................................................................................................................... 4 2.重轨 ............................................................................................................................... 4 38kg ........................................................................................................................... 5 43kg ........................................................................................................................... 5 50kg ........................................................................................................................... 6 60kg ........................................................................................................................... 6 3.起重轨 ........................................................................................................................... 6 QU70 ..................................................................................................