gas porosity meaning in Chinese

气孔性
疏松度

Radiographs for inspection grading of gas porosity roun in aluminum alloy casting
射线照相检验针孔圆形分级
Standard radiographs for inspection grading of gas porosity in aluminum alloy casting
铝合金铸件射线照相检验针孔
Determination of gas porosity and gas permeability of hydraulic binders containing embedded radioactive waste
含有包埋放射废物的液压粘合剂气孔和透气性的测定