内部孔隙 meaning in English

internal porosity

08 . 02 test method for interior porosity of poly vinyl chloride resins by mercury intrusion porosimetry
用注汞式孔隙度仪测定聚氯乙烯树脂的内部孔隙率的试验方法
" the water pushes through its crevasses and tunnels at high pressure and the iceberg starts singing . " the tune even goes up and down , just like a real song .
当水冲过它的表面裂缝和内部孔隙时，它就开始发声了，时起时伏的旋律就如同一首歌曲。 ”
The results showed that the combination of both capillary absorption and moisture diffusion fitted the experimental data very well , pore structures of cement - based materials had great effect on the kinetics of water transport in the materials
结果表明：只有结合毛细吸收和扩散2种传输过程才能很好地表征水泥基材料内部的水分传输过程，材料内部孔隙结构时水分传输的动力学过程有很大的影响。