wrap angle的用法和樣例：
例句
- The curve plotted in this way would meet the boundary conditions given and all the polar curves embodied the same wrapping angle.
這一方法不僅保證了繪製的型線有給定的邊界條件，同時保證了各型線有相等的包角。 - The cross air blow of spinning equipment, the spinning pack and the improvement of winding angle in take-up equipment were emphatically analysed.
重點分析了紡絲設備的側吹風，紡絲組件以及在卷繞設備上卷繞包角上的改進。
