A pull-type fixed net for measuring the density of tidal flat fish and its application method
A technology for lifting devices and fish, which can be used in fishing, application, fishing nets, etc., and can solve problems such as the difficulty in quantitative monitoring of tidal flat fish
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[0028] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0029] Such as figure 1 with 2 As shown, a lifting type fixed net for measuring the density of tidal flat fish comprises a fixed net and a pulley pulling device, and the fixed net includes a square net 1, and the square net 1 encloses a A square pipe with upper and lower openings. The upper opening of the square net 1 is equipped with a square frame basket 3. The lower opening of the square net 1 is provided with a stone ring...
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Abstract
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