angle of brush lead

例句：

1. 1. The angle of brushing is critical for the quality of the finish.
   刷毛的角度对于涂层的质量至关重要。
2. 2. The angle of brushing can affect the durability of the paint job.
   刷毛的角度会影响油漆工作的使用寿命。
3. 3. The angle of brushing lead is an important factor in determining the performance of the coating.
   刷毛角度铅是决定涂层性能的重要因素。