为了一艘在北大西洋失踪的拖网渔船，已经开始了一项大的营救行动。
A big rescue operation has been launched for a trawler missing in the North Atlantic.
拖网捕鱼被认为是破坏性第二大的商业捕鱼形式(电气捕鱼最甚)。
Trawling is arguably the second most destructive type of commercial fishing (electro-fishing being the worst).
具有使用寿命长、拆装方便两大优点，可广泛应用于拖网渔船上。
The utility model has the advantages of long service life and convenient assembly and disassembly, and can be used for the trawlers.
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