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比利时专家Marelec发明了一种用微处理机控制的桁拖网曳纲拉力系统,它能随时了解曳纲所受的张力和海底障碍物等情况,以保证桁拖网渔船的作业安全,减少网具的损坏。
Belgian expert Marelec invented a microprocessor-controlled beam trawling system that keeps track of tension and undersea obstacles at the trawler to keep the safety of the trawler and reduce the number of damage.