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调查了烟威渔场主要底栖动物种类及使用拖网进行捕捞情况，分析了４０马力渔船所用２种拖网的结构、性能、渔捞效果，对１００～１８５马力渔船的传统拖网提出了采用双底纲、低口长袖、单拖作业等技术改进方向。
The main zoobenthos species in the fishing ground of Yayiwei and the fishing using trawls were investigated. The structure, performance and fishing effects of two types of trawls used in 40 hp fishing boats were analyzed. The traditional trawling of 100 ~ 185 hp fishing boats was proposed. , Low-mouth long-sleeved, dragging operations and other technical improvements.