短語詞組短語gas displacement porosity 氣敺孔隙度gas -bearing porosity 含氣孔隙度gas porosity phenomenon 氣穴現(xiàn)象gas and shrinkage porosity 氣孔及縮孔elongated gas porosity 長形氣孔gas porosity blister 氣泡冒孔gas porosity susceptibility 氣孔敏感性slag gas porosity 渣氣孔 返回 gas porosity