... 轮船航线证书 voyage certificate 轮船拖网；军拖网 otter trawl 轮机管理 marine engineering management ...
基于24个网页-相关网页
... 轮船航线证书 voyage certificate 轮船拖网；军拖网 otter trawl 轮机管理 marine engineering management ...
基于20个网页-相关网页
box-type otter trawl net 四片型拖网具
bottom otter trawl 底层单拖网
otter trawl fishery 单拖渔业
otter trawl shrimp vessel 单拖网捕虾船
otter board trawl 网板拖网
When fitted with an otter trawl, invented in 1892, it enabled fishermen to haul in six times the catch of a sailing ship.
当1892年发明的网板拖网被安装上时，它使捕鱼者能够拖动六倍于被帆船捕捉的捕获物。
In order to understand the effect degrees produced by different factors on the fishing capacity of otter trawl, we employed 12 factors in factor analysis.
为了了解各因子对单拖作业捕捞能力发挥的影响程度，本文选择影响单拖捕捞能力发挥的12个因子指标，采用因子分析法对其进行分析。
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