汽车用钢板
steel sheets for vehicles
Steel palate for automobile
steel sheet for automobiles
automotive armor plate
汽车大梁用钢板
Steel Plate for Automobile Frame
DP600汽车用钢
DP600 steel for automotive application
汽车用车速表
Motor vehicles--Speed meters
汽车用钢研究中心
automobile steel research center
商用车车厢
commercial vehicle cargo body
承压设备用钢板
Plate for pressure equipment