Ntau tus neeg tsis paub meej txog on-grid thiab off-grid solar power system, tsis hais ntau hom hnub ci zog. Hnub no, kuv yuav muab ib qho kev kawm nrov rau koj. Raws li daim ntawv thov sib txawv, lub hnub ci hluav taws xob feem ntau muab faib ua on-grid power system, off-grid po...
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