池塘养蟹的防逃设施,是养好河蟹的关键之一。发展池塘养蟹以来,蟹池的防逃设施,有的用水泥、砖头砌防逃墙,有的用铁皮或玻璃、钙塑板、玻璃钢等围圈防逃,不仅造价高,而且有的还容易损坏。现介绍一种简便、经济的酒瓶防逃设施,供池塘养蟹的单位和专业户试用。先收集或购来一批同一形号或相似形号的圆形废弃酒瓶(一般每只仅二、三分钱), Pond crab anti-escaping facilities, is one of the keys to raising crabs. Since the development of pond crabs, crab pool anti-escaping facilities, and some use of cement, brick anti-escape walls, and some with metal or glass, calcium plastic panels, glass steel and other anti-escaping circle, not only costly, but also easily damaged. Is now introduced a simple, economical anti-escape bottles, facilities for crab ponds and specialized households trial. Collect or purchase a batch of round waste bottles of the same or similar shape (usually only two or three cents each)