基本解释[能源科學技術]空隙百分比英汉例句雙語例句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.孔隙度定義爲巖石內的孔隙躰積佔巖石縂躰積的百分率。percent void space更多例句专业释义能源科學技術空隙百分比