基本解释[能源科学技术]空隙百分比英汉例句双语例句Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent.孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。percent void space更多例句专业释义能源科学技术空隙百分比