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(jī);混凝土澆灌架;乾溼混凝土噴射機(jī)Tunnel placing Boom 隧道佈料機(jī)Hydraulic Concrete Placing Boom 液壓混凝土佈料機(jī) 返回 placing boom