spray penetration

例句：

1. 1. Thenew paint has a high spray penetration rate, which means it can easily penetrate the surface of the wall.
   这种新油漆的喷涂渗透率很高，意味着它可以很容易地渗透到墙壁的表面。
2. 2.The spray penetration test is used to measure the effectiveness of a product in penetrating through different materials.
   喷雾渗透测试是用来测量产品在穿透不同材料时的效果。
3. 3.The spray penetration test was conducted on several samples of wood, and the results showed that the new coating could effectively penetrate the wood fibers.
   对几种木材样本进行了喷雾渗透测试，结果表明新型涂层能够有效地渗透木材纤维。