当前素材是由九二图网为您提供的“Solar power generation”作品,素材编号:20120405125705,尺寸为:7200×3770 像素,大小为:9.7MB,素材关键词要素为:Resource conservation, natural energy, energy conservation, environmental conservation, non-pollution, solar panels, solar power generation, windmills, wind power generation, sky,,scientific research,modern technology,Vector,欢迎下载收藏!