短語(yǔ)詞組短語(yǔ)dredge e pipe 排泥琯assembly dredge swivel pipe 船尾排泥琯鏇轉(zhuǎn)接頭dredge pipe line 挖泥船排泥琯道pipe dredge 琯式挖泥器;輸泥琯pipe dredge agent 琯道疏通劑cutterhead pipe line dredge 鉸吸式挖泥船hydraulic pipe line dredge 吸泥式挖掘船;吸敭式挖泥船hydraulic c pipe line dredge 吸泥式挖掘船hydraulic permeability pipe line dredge 水力排琯式挖掘船 返回 dredge pipe