1990年11月6日～10日,机械疏浚学组、水利水电机械疏浚情报网在河南省开封市召开了第七次疏浚与吹填施工技术经验交流会。会议期间,代表们就发挥疏浚机械优势,充分利用挖泥船吹填淤背加固大堤的课题进行了研讨。代表们认为,使用机械疏浚机具(主要是绞吸式挖泥船)加固堤坝工程,不仅提高了 November 6, 1990 ~ 10, mechanical dredging group, water conservancy and hydropower machinery dredging information network held in Kaifeng, Henan Province, the seventh dredging and filling technology construction experience exchange. During the meeting, delegates discussed the issue of giving full play to the advantages of dredging machinery and making full use of dredger dredging to reinforce dikes. The deputies expressed the opinion that the use of mechanical dredging tools (mainly cutter suction dredgers) to reinforce dyke works not only improved