Along the alley before nine to find the world's hotels, the right side of the wall have to join a ladder leading to the roof of the apron.
沿胡同前行找到九世界旅馆，右边的墙上有一道梯子通往屋顶的停机坪。
2
The test results show that the apron can reduce back flow at the dam toe, and the piers can obviously diminish river bed scouring near the scour resistant wall.