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鳀鱼变水层拖网捕捞
释义
鳀鱼变水层拖网捕捞
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农学
鳀鱼变水层拖网捕捞
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anchovies pelagic trawl fishing
鳀鱼变水层拖网捕捞
用机动渔船拖曳两翼单囊形网具,专捕处于水域中上层的鳀鱼(Engraulidae),也兼捕鲅鱼、鲐鱼等中上层鱼类的一种拖网捕捞方式。又称鳀鱼中层拖网捕捞、鳀鱼大目拖网捕捞、鳀鱼绳拖网捕捞。
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seawall in China
seawall in north Jiangsu province
seawater absorption attenuation measuring instrument
seawater ammonia nitrogen measuring instrument
sea water chemical resources
seawater chemistry
seawater circulating cooling technology
seawater cooling technology
seawater culture technology of crustaceans
sea water desalinization
sea water desulfurization
seawater desulfurization technology
seawater direct cooling technology
seawater dissolved oxygen measuring instrument
sea-water drilling fluid
Seawater drowning
seawater encroachment
seawater flue gas desulfurization
sea water gold washing
seawater heavy metal measuring instrument
seawater injection
seawater intrusion
seawater intrusion disaster in China
seawater intrusion monitoring
seawater nutrient analyzer
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