Yuav kom txuag tau lub zog thiab txo kev siv, ntau qhov chaw yuav muab qhov tseem ceeb rau hnub ci txoj kev teeb thaum txhim kho txoj kev teeb. Piv nrog cov teeb pom kev zoo, hnub ci txoj kev teeb peb ...
Hnub ci vaj huam sib luag uas tseem hu ua photovoltaic vaj huam sib luag yog cov cuab yeej uas nqus lub hnub ci thiab hloov lub hnub ci zog rau hauv hluav taws xob siv tau. Hnub ci vaj huam sib luag yog tsim los ntawm ntau tus neeg lub hnub ci ...