短語詞組短語dredge e pipe 排泥管assembly dredge swivel pipe 船尾排泥管旋轉(zhuǎn)接頭dredge pipe line 挖泥船排泥管道pipe dredge 管式挖泥器;輸泥管pipe dredge agent 管道疏通劑cutterhead pipe line dredge 鉸吸式挖泥船hydraulic pipe line dredge 吸泥式挖掘船;吸揚式挖泥船hydraulic c pipe line dredge 吸泥式挖掘船hydraulic permeability pipe line dredge 水力排管式挖掘船 返回 dredge pipe