二辊可逆式钢梁轧机
two-high reversing beam mill
钢轨及钢梁轧机
rail and structural steel mill
半连续式宽带钢轧机
semicontinuous wide strip mill
不可逆式轧钢机
non-reversing rolling mill
大H型钢轧机
heavy H-steel rolling mill
H beam mill
大中型型钢轧机
heavy and medium section mill
短应力线轧钢机
the short stress line rolling mill