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在水库养鱼生产中,购买或加工制作一张鱼网要花较多的资金,因此养鱼户都十分重视延长网具的使用寿命。这就要求养鱼户必须掌握以下要领:
In the production of fish in reservoirs, it takes more money to purchase or process a net for fish production. Therefore, fish farms attach great importance to extending the service life of nets. This requires fish farmers must have the following essentials: