iron manganese concretion

基本解释

• [地球科学]铁锰结核

英汉例句

双语例句

• The curve model can express well the relation between silt content, sand content, slope deposit depth, iron-manganese concretion depth , all the soil fertility properties and terrain.
  其中，对数模型能够对土层厚度、粘粒含量与地形的关系进行最优拟合；

• iron manganese concretion更多例句

专业释义

地球科学

• 铁锰结核