现代港口航运日益发展,航道的疏浚工程也越来越多,各国都建造了许多各种类型的挖泥船,我国的挖泥船设备和技术日趋更新。本讲座着重介绍现代化挖泥船的概况,准备分五个部分讲叙:1)绞吸式挖泥船;2)耙 With the development of modern port shipping and the dredging of waterway more and more, many kinds of dredgers have been built in all countries. The equipment and technology of dredgers in our country have been updated. This seminar focuses on the general situation of modern dredgers and is prepared to be divided into five parts: 1) cutter suction dredger, 2) rake