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2.5m<上标2>椭圆形曲面开缝网板
2.5m~2 oval cambered slotted otter board
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柔鱼钓钩
Squid jigger
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拖网模型制作方法
Preparation of trawl model
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主要渔具制作.网片缝合与装配
Making of main fishing gear.Joining and mounting of netting
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主要渔具制作.网片剪裁和计算
Making of main fishing gear.Nets-cutting counting of nets
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主要渔具制作.网衣缩结
Making of main fishing gear.Hanging of netting
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