2018年CRI Bridge over railway completes rotation construction in Guangdong
时间：2018-12-24 作者：英语课 分类：2018CRI中国国际广播电台
英语课
The rotation 1 construction of two sections of a giant super-tonnage bridge on the Shantou-Kunshan highway in China's Guangdong Province has been completed on Friday morning.
The two sections of the bridge also span across the Beijing-Guangzhou high-speed railway.
The sections, situated 2 on the two sides of the high-speed railway, were simultaneously 3 rotated over the high-speed railway. The whole process took just 70 minutes.
This was China's first attempt at rotation construction for two sections of a bridge at the same time over a high-speed railway.
1 rotation
n.旋转；循环，轮流
- Crop rotation helps prevent soil erosion.农作物轮作有助于防止水土流失。
- The workers in this workshop do day and night shifts in weekly rotation.这个车间的工人上白班和上夜班每周轮换一次。
2 situated
adj.坐落在...的，处于某种境地的
- The village is situated at the margin of a forest.村子位于森林的边缘。
- She is awkwardly situated.她的处境困难。
3 simultaneously
adv.同时发生地，同时进行地
- The radar beam can track a number of targets almost simultaneously.雷达波几乎可以同时追着多个目标。
- The Windows allow a computer user to execute multiple programs simultaneously.Windows允许计算机用户同时运行多个程序。