| 摘要 |
The invention relates to a trawl net with six ropes (bolt ropes) provided with a vertically extendable compartment. This trawl net comprises six ropes (bolt ropes) on its main body, namely two upper ropes (bolt ropes) 11a situated on the upper face of the body, two lower ropes (bolt ropes) 11b situated on the lower face of the body and two side ropes (bolt ropes) 11c which run along the entire length of the body as far as the compartment, the latter itself comprising four ropes (bolt ropes), namely an upper rope (bolt rope) 15a and a lower rope (bolt rope) 15b which respectively start from the junctions of the upper 11a and lower 11b ropes (bolt ropes), and two side ropes (bolt ropes) 15c which extend the side ropes (bolt ropes) 11c of the body. Floats 17 are fixed to the upper ropes (bolt ropes) 11a and 15a. <IMAGE>
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