澳大利亚一所大学研制成功一种一船拖三网的捕虾系统,它主要由三副网具、两块网板和两块滑板组成。渔船的两舷各伸出一根撑杆,撑杆的顶端装有滑轮,两根曳网通过两个滑轮拖曳三副网具。其中左右两副网具各配一块网板和一块滑板,网板和滑板分别通过两根手纲同一根曳纲连接,中间一副网具的两端分别同 A university in Australia has successfully developed a shrimp catching system with three boats and three nets. It mainly consists of three nets, two net plates and two skateboards. A stretcher was stretched out on both sides of the fishing boat, and the top of the stretcher was provided with pulleys. Two draglines dragged three nets through two pulleys. One of the left and right two sets of mesh with a stencil and a skateboard, stencil and skateboarding respectively through two hands Gang with a wire mesh connection, the middle of the two ends of a mesh with the same