act of flood control的用法和样例：
- The historical development of flood control policy in U.S.A.
- Flood control planning constitutes the bas is for the control of rivers and lakes and the construction of flood control works.
- Reservoirs should keep adequate storage capacity for flood control according to the requirements of flood control planning.
- The bamboo and log rafting in river courses should not affect the safety of flood passage and flood control works.