短語詞組短語h beam rolling mill h 型鋼軋機(jī)beam rolling mill 鋼梁軋機(jī)h -beam mill 型鋼軋機(jī);型鋼軋機(jī)universal h beam mill 萬能型鋼軋機(jī)high reversing beam mill 二輥可逆式鋼梁軋機(jī)flange beam mill 寬緣鋼梁軋機(jī)universal beam mill 萬能鋼梁軋機(jī) 返回 beam mill