The size and position of the cross section of support beam, the opening direction of beam channel.
表面处理形式、状态；支撑梁的截面尺寸和位置，槽钢的开口方向。
2
Arranging opening time, back beam height, tension, opening Angle, drafting, reed-in reasonably were adopted in weaving process. These practice ensures no loop and enhance weaving efficiency.