Soil Cd土壤Cdsoiln.土地；土壤；污物，粪便v.弄污soil pollution control污染防治Soil macro-structure广义结构soil-blocker machine制钵机soil slope engineering土质边坡工程soil development index土壤发育指数soil cracking behavior土体开裂soil water restoration水分恢复soil in landslide zone滑带土soil available cadmium土壤有效态Cdsoil scraper-thrower铲抛机