Multi Span Glass Tsev cog khoom hauv Ntshav

Lub Youyang multi-span iav tsev cog khoom tau ua tiav. Cov yub ntawm Camellia oleifera tau muab tso rau hauv tsev cog khoom. Cov seedlings yog da dej nyob rau hauv ib tug liab doog cog lub teeb. Txhua yam zoo nkauj heev.