【摘要】 <正> 众所周知,网板是拖网渔具中的重要部件,关于曳网时网板在正常情况下的受力分析,有关方面论述较多,而本文是对曳网时网板在各种倾侧状态时的受力进行分析与计算,并探讨作用在网板上各力之间的内在联系以及倾角的临界值。更多还原

【Abstract】 The otter board is an important tool-part in trawl-fishing.In this paper, the forces acting on the board in various inclination positions are analysed and calculated,and the inter-relations among these forces are discussed.The paper also makes a study of the critical value of the inclination angle.更多还原