"electricity"的搜索结果

photovoltaics is the direct conversion of light into electricity at the atomic level

标签: photovoltaics,is,the,direct,co 浏览: 12

electricity sign

标签: electricity,sign 浏览: 11

this micro hydropower turbine and generator brought electricity and excitement to a remote village

标签: this,micro,hydropower,turbine, 浏览: 17

solar generated electricity

标签: solar,generated,electricity 浏览: 13

old electricity generator

标签: old,electricity,generator 浏览: 12

this new electro generator will provide electricity

标签: this,new,electro,generator,wil 浏览: 14

grayscale photo of black posts during cloudy season

标签: train,urban,electricity 浏览: 12