1、 疏浚工程船舶耙吸挖泥船trailing suction hopper dredger, trailer边抛耙吸挖泥船 trailing suction side-casting dredger边耙挖泥船trailing suction dredger with suction tube at side中耙挖泥船trailing suction dredger with central well尾耙挖泥船trailing suction dredger with stern well钢耙挖泥船dozer dredger, scraper dredger 开体耙吸挖泥船split-type trailing suction dredger中边耙挖泥船 trailing suction dredger with central & side suction tubes组合吸扬挖泥船 dismountable suction dredger 微型吸扬挖泥船min
