Theresults of researches on the nine types of soils, indicated that F content of the natural soil including brown loam and fragmental soil was much higher.是什么意思_Theresults of researches on the nine types of soils, indicated that F content of the natural soil including brown loam and fragmental soil was much higher.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句