flood protection work的用法和樣例：
例句
- A flood control protected area means an area protected by flood control works according to flood control standards.
防洪保護區是指在防洪標準內受防洪工程設施保護的地區。 - The Chinese government has increased investment in flood control project construction since last year.
去年以來(lái)，國家加大了對防洪工程建設的投入。
