孔率计 meaning in Chinese

porosimeter

Test method for pore size characteristics of membrane filters using automated liquid porosimeter
用自动液体孔率计检验薄膜过滤器的孔径特性的测试方法
Standard test method for determining pore volume distribution of catalysts by mercury intrusion porosimetry
注汞孔率计法测量催化剂孔容分布的标准试验方法
Standard test method for determination of pore volume and pore volume distribution of soil and rock by mercury intrusion porosimetry
用水银注入岩孔率计测定土壤和岩石孔隙容积与孔隙容积分布的标准试验方法