Railway freight car ' s atmospheric corrosion resisting cold formed steel sections part 3 : end cross band 铁道货车耐大气腐蚀冷弯型钢.第3部分:端墙横带
3.
You may only strap same - sized boxes together please use a minimum of four crossed bands with two bands in each direction 请至少使用四条十字交叉的宽带子，在每个方向用两条带子困著
