覆盖网格
覆盖网格
回流焊的运动部分包括链轮、网带、宽窄调节、启盖等。
If you use wood, you'll need to cover it with wire mesh to prevent the bird from chewing through it.如果您使用的是木头，你将需要用金属丝网覆盖它，以防止鸟通过咀嚼逃跑。
If the minimal mesh size of stow nets is determined based on the result from the cover net method, the mesh size will tend to be bigger, resulting in excessive escape of the fish inside the codend.在张网渔具最适网目试验中，如果直接使用套网法的试验结果制定最小网目，那么这一尺寸会偏大，造成部分鱼类过多释放。
