weighted net gear 加权净水头
fishing rope net gear manufacture 渔用绳网具制造
net sweeping gear 网式扫雷具
net minesweeping gear [军] 网式扫雷器
vehicle net sling gear 网系车辆吊具
Stow net, which is a kind of passive filter fishing gear, was seldom carried cut research on the selectivity model.
作为一种被动性的过滤型渔具,对张网渔具本身的选择性特点和选择性模型研究很少。
The company is China's net trade association member units of fishing gear.
本公司是中国渔网渔具行业协会成员单位。
Canvas stow net is a main fishing gear in East-China sea fisheries district.
帆式张网是东海渔业区的主要捕捞作业渔具。
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