The six key forestry engineering construction in China has made good progress in 2005. Key afforestation area 3,109,100hm2, the area 2,375,700hm2 that seal a mountain pass (sand) and afforest newly.是什么意思_The six key forestry engineering construction in China has made good progress in 2005. Key afforestation area 3,109,100hm2, the area 2,375,700hm2 that seal a mountain pass (sand) and afforest newly.在线翻译_英语_读音_用法_例句