短語詞組短語lifting of beam 提運(yùn)梁lifting g beam 天平vessel head lifting beam 壓力容器封頭提陞梁adjustable lifting beam 可調(diào)起重梁lifting beam with hooks 吊鉤橫梁lifting beam feeding 提陞喂梁magnetic lifting beam 電磁吸吊裝置battery lifting beam 蓄電池提陞梁balance lifting beam 天平 返回 lifting beam