View of portage power hydroelectric plant and chaudiere dam on the ottawa river canada june 免版税库存照片 view of portage power hydroelectric plant and chaudiere dam on the ottawa river canada june
Close up of portage power hydroelectric plant on the ottawa river canada june 库存图片 close up of portage power hydroelectric plant on the ottawa river canada june
Panoramic view of portage power hydroelectric plant and chaudiere dam on the ottawa river canada june 免版税库存照片 panoramic view of portage power hydroelectric plant and chaudiere dam on the ottawa river canada june
Bache螺旋式弗朗西斯水轮机位于Orbe河畔的La Dernier水电站旁边，Vallorbe - 沃州 免版税库存图片 Bache螺旋式弗朗西斯水轮机位于Orbe河畔的La Dernier水电站旁边，Vallorbe - 沃州
Bache螺旋式弗朗西斯水轮机位于奥尔布河畔的La Dernier水电站旁边，瓦洛尔布 - 沃州 图库摄影 Bache螺旋式弗朗西斯水轮机位于奥尔布河畔的La Dernier水电站旁边，瓦洛尔布 - 沃州
伊萨卡，纽约 – 2018年9月26日：位于Fall Creek峡谷的水力发电厂为康奈尔大学提供电力 免版税库存图片 伊萨卡，纽约 – 2018年9月26日：位于Fall Creek峡谷的水力发电厂为康奈尔大学提供电力
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