dongjiang lake dam,chenzhou,hunan,china,asia.xiaodongjiang reservoir.dongjiang hydropower station.asia's first dam. - 水利工程 個照片及圖片檔水力發電, 風景 - 大自然, 水壩
mechanical or industrial engineer wearing safety vest and ppe conducting detailed inspection and maintenance on large hvac cooling tower system at industrial facility. industrial operations and maintenance workflow concept. - 水利工程 個照片及圖片檔
south to north water diversion project.aerial photography of danjiangkou reservoir, henan,china,asia. - 水利工程 個照片及圖片檔
close-up of an engineer in blue uniform and safety gloves adjusting a pipe clamping fixture for hdpe welding in an industrial setting. concept of precision work, safety, and mechanical setup - 水利工程 個照片及圖片檔手套, 特寫, 工作
aerial view of a dam surrounded by lush greenery and clear turquoise water - 水利工程 個照片及圖片檔水壩, 水力發電, 抽象
roman aqueduct of albarracin to cella, with tunnels and water channels, part of a series - 水利工程 個照片及圖片檔隧道, 古羅馬
Boyden worked on the construction of a railway from Boston to Nashua. He studied hydraulic engineering and improved the construction of turbines,...
Deutschland, Berlin, Charlottenburg, Institut fuer Wasserbau und Wasserwirtschaft an der Technischen Universitaet
Deutschland, Berlin, Charlottenburg - TU Technische Universitaet, Institut fuer Wasserbau und Wasserwirtschaft
Bauarbeiten am Nägeleinswehr, Blick auf Wasserbau mit Kran und Gerüstkonstruktionen, Stadtmauer und Brücke im Hintergrund, undatiert.
vintage engraving of a chinese water wheel and irrigation mechanism, historical technical illustration - 水利工程 個照片及圖片檔
vintage engineering plan of canal lock and inclined plane - historical technical drawing - 水利工程 個照片及圖片檔
smiling blonde woman in a striped t-shirt and light trousers poses in the city near a fountain. sunlight shines through the splashing water, giving the summer shot a pleasant atmosphere of comfort and relaxation. - 水利工程 個照片及圖片檔
Archaeologists and Colombian authorities are preparing to declare a new protected archaeological area in the La Mojana region of Colombia, where...
Archaeologists and Colombian authorities are preparing to declare a new protected archaeological area in the La Mojana region of Colombia, where...
Archaeologists and Colombian authorities are preparing to declare a new protected archaeological area in the La Mojana region of Colombia, where...
large scale machinery for urban village renovation and demolition has entered the construction site, and measures such as water spraying and dust reduction have been implemented in beijing, china. - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
engineers inspect and check the quality of solar cells installed on the water, ensuring optimal performance of the floating solar energy system - 水利工程 個照片及圖片檔
