peak cross-section

例句：

1. 1.The peak of the mountain is visible from here.
   从这儿可以看到山顶。
2. 2. This model has a peak cross-section of 50 square meters.
   这款模型的面积峰值为50平方米。
3. 3.The peak cross-section of the bridge is 60 meters wide.
   这座桥的宽度峰值是60米。