Study on the Root Distribution Characteristic and Root Biomass of Ulmus pumila in Yanerwo Scenery Site of Urumqi是什么意思_Study on the Root Distribution Characteristic and Root Biomass of Ulmus pumila in Yanerwo Scenery Site of Urumqi在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句