为了解决捕鱼量过多,难以将渔网拖上渔船的问题,丹麦一家公司发明了一种抽鱼机。这种抽鱼机的吸筒固定在渔网的边沿上,一开动机器,渔网内的鱼就沿着吸筒的导管抽到甲板上。水力系统使吸筒内保持一定数 To tackle the problem of fishing too much and making it hard to tow fishing nets to fishing boats, a Danish company invented a fish-feeder. The sucker of this fish feeder is fixed on the edge of the fishing net, and once the machine is started, the fish in the net is drawn along the sucking tube to the deck. Hydraulic system to maintain a certain number of suction cylinder