step hydropower的用法和樣例：
例句
- The power station under study is the important step electric station.
西南某電站是大渡河幹流的重要梯級電站。 - It can be used as reference for the protection of storage areas and the construction of the other cascade hydropower stations in the Lancang River.
從區域尺度計算漫灣水電站生態供給足跡和生態需求足跡，以為漫灣水電站庫區生態環境保護和後續幹流水電梯級電站建設提供參考。
