line of slope

• 坡面线； 坡面方向

line of slope的用法和样例：

例句

1. Oyster thin noodles are one of my favorite food.
   蚵仔面线是我最喜爱的食物之一。
2. The fine grains are more at the tail than at the foreside at the same parallel to the slope surface.
   沿坡面方向，在离土面相同距离的位置，后部细颗粒多，前部细颗粒少。