在钓鱼活动中，钓线是必不可少的钓具之一。它和鱼竿、鱼钩这三件的质量，对鱼上钩后能否得鱼有极其重要的关系。有时，从渔具销售商那儿买回的渔线虽然标明抗拉强度是多少多少公斤，但是在实际垂钓时，小于标示值抗拉强度一至数倍的鱼也会把渔线挣断。这种渔线，从外观上看， In fishing activities, fishing line is one of the essential fishing tackle. It and the fishing rod, hook the quality of these three pieces of the fish hooked fish can have an extremely important relationship. Sometimes, fishing lines bought from fishing gear retailers indicate the tensile strength of the line, but in real fishing, fishing lines that are less than one to several times the tensile strength of the nominal value can also break the line. This fishing line, from the appearance point of view,