气孔率 meaning in Chinese

porosity rate

Carbon materials - determination of the true porosity
炭素材料真气孔率测定方法
Carbon materials . determination of open porosity
碳素材料显气孔率的测定
Test method for apparent porosity and bulk density of porous ceramic
多孔陶瓷显气孔率容重试验方法
Coke - determination of apparent relative density and total porosity
焦炭假相对密度及总气孔率测定方法
Coke - determination of show porosity
焦炭显气孔率测定方法

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