Ib qhov project rau ib qho tshiab reclamation system tau nthuav tawm nyob rau hauv Primorsky Territory
Ib qho chaw tshiab yuav tshwm sim hauv cheeb tsam Khankaisky. Raws li kev tshaj tawm xov xwm ntawm tsoomfwv cheeb tsam, kev tsim cov txheej txheem tau ua tiav ...