The content of Fe in root, stem and leaf of Calamagrostis angustifolia in upper, middle and lower land reaches the acme in the seedling, and reduces after it matures except in the upper land.是什么意思_The content of Fe in root, stem and leaf of Calamagrostis angustifolia in upper, middle and lower land reaches the acme in the seedling, and reduces after it matures except in the upper land.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句