hydraulic dredger〔名词〕吸扬式挖泥船详细»
hydraulic dredger〔名词〕水力疏泥机详细»
吸扬式挖泥船cutterless suction dredge;pump dredger;suction dredger;suctiondredger详细»
吸扬式挖泥船hydraulic suction dredger详细»
吸扬式挖泥船discharging dredger;hydraulic dredger;pump dredger;suction dredger详细»