短語(yǔ)詞組短語(yǔ)low -yield forest improvement 中低產(chǎn)林改造bamboo low -yield forest 毛竹低產(chǎn)林reformation of low -yield forest 低產(chǎn)林改造resources conservation of low -yield forest 低產(chǎn)林資源保護(hù) 返回 low-yield forest