气渗系数2) gas permeability 气体渗透系数 1. The laboratory measurement of gas permeability was carried out on the MSWs taken from the Qizishan landfill in Suzhou City,China. 采用填埋场钻孔获得的垃圾样,用自制导气试验装置,测试垃圾的气体渗透系数,分析孔隙比、饱和度和垃圾组分对气体渗透性的影响。