短語詞組短語placing g boom 灌築吊桿telescopic placing boom [紡]伸縮式佈料桿folding placing boom 折疊式佈料桿Arms of Placing Boom 佈料桿臂數(shù)Date of Placing Boom 佈料桿蓡數(shù)placing boom opening area 佈料作業(yè)範(fàn)圍concrete placing boom 混凝土佈料機;混凝土澆灌架;乾溼混凝土噴射機Tunnel placing Boom 隧道佈料機Hydraulic Concrete Placing Boom 液壓混凝土佈料機 返回 placing boom