短語詞組短語overhead d crane girder 橋式吊車梁Overhead crane with simple girder [機]梁式起重機overhead traveling crane 's girder 行車梁Single girder overhead crane 單主梁橋式起重機;單梁起重機;單梁橋式起重機Double girder overhead crane [機]雙梁橋式起重機10T Singer girder overhead crane 噸天車two -girder overhead travelling crane 雙梁式架空移動起重機manual single -girder overhead crane 手動單梁橋式起重機 返回 overhead crane girder