Ntawv xov xwm tuam txhab

Thaum muaj coob tus neeg yuav nruab ib lub tshuab hluav taws xob photovoltaic rau ntawm lawv lub ru tsev, lawv yeej ib txwm tawm tsam nrog cov lus ...

Nws txais cov ntaub tsis muaj nag thiab tsis muaj hnub ci vaj huam sib luag tsim, ntshiab tooj liab hlau tsis muaj kev tiv thaiv sab hauv, siab hlo...