用flood risk造句子，“flood risk”造句

Three weeks after the earthquake in China's Sichuan province displaced five million people, a few hundred thousand have had to move again - out of the way of a dammed river that poses a flood risk.

Reservoir flood control operation mode without forecast information always delays the opportunity to release or impound, increases flood risk and wastes flood resources.

This paper single out two places of Beijiang River drainage basin? Binjiang River small drainage basin and Pajiang River natural detention basin in Guangdong province to study flood risk zonation.