基本解釋[經(jīng)濟(jì)學(xué)]吸泥式挖掘船詞組短語短語hydraulic c pipe line dredge 吸泥式挖掘船hydraulic permeability pipe line dredge 水力排琯式挖掘船hydraulic pipe line dredge更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)吸泥式挖掘船