短語(yǔ)詞組短語(yǔ)H -Beam blank 型鋼異型坯h ion beam h 離子束heavy H -beam 大H型鋼h -beam mill 型鋼軋機(jī);型鋼軋機(jī)flitch h trussed beam 組郃桁架梁precast H -beam 預(yù)制工字梁h steel beam h 型鋼梁hr h -beam 熱軋h型鋼翼緣 返回 h beam