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南极渔业
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南极渔业
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南极渔业
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Antarctic fishery
南极渔业
以开发具有商业价值的南大洋(南极辐合带以南)海洋生物资源为目的的一种渔业形式。主要捕捞或猎杀对象包括海豹、鲸鱼、鳍鱼类和磷虾等,捕捞方式包括延绳钓、拖网、笼壶和捕鲸炮等。作业水域涵盖南极海洋生物资源养护委员会(CCAMLR)管辖水域及一些国家的海外领地等。
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steel products
steel ratio coefficient
steel reinforced concrete composite beam
steel reinforced concrete composite column
steel rope for mine
Steel Sabre Inscribed with CharactersSa Lian from Cangshan
Steels Arrowheads of Cast Iron Decarburized in Solid State from Han Dynasty Tomb at Mancheng
steel ship
steel slag
steel sleeve extrusion machine
steel sticking on gun
steel strip
steel structural member
steel structure
steel structure assembling
steel structure installation
steel structure painting
steel structure staggered truss framing structure system
steel support
steel target testing
steel tension bar
steel thread forming machine
steel track beam
steel truss
steel tube
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