aerial view of an overflowing hydroelectric dam generating clean energy in a verdant mountain landscape - 水力發電 個照片及圖片檔水壩, 西班牙, 再生能源
dam releases water through the spillway to drain water and uses hydropower to generate electricity for the public utilities. - 水力發電 個照片及圖片檔水壩, 發電廠
norway, telemark, rjukan, aerial view of hydroelectric power station of unesco world heritage industrial site rjukan notodden - 水力發電 個照片及圖片檔挪威
an engineer during his daily duties at a waterside windmill turbine power site - 水力發電 個照片及圖片檔發電廠, 風力發電機
aerial panorama of kaprun high mountain reservoirs mooserboden stausee and wasserfallboden in the hohe tauern, salzburger land, austria. - 水力發電 個照片及圖片檔高處
maintenance female engineer working in hydroelectric power station. renewable energy systems. - 水力發電 個照片及圖片檔工程師, 計劃, 工程技術