... percent test 选择试验 percent void space 空隙百分比 percent water tool 含水率测量仪 ...
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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。
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