基本解释粘磐土同根派生 planosols相关词英汉例句PHYSICAL PROPERTIES OF PLANOSOL GINSENG BED SOIL 白浆土人参床土的物理特性solodic planosols 脱碱化粘磐土humic planosols 腐殖质粘磐土haplic planosols 普通粘磐土eutric planosols 饱和粘磐土planosols更多例句