风系数 coefficient of infiltration: 浸渗系数; 渗透系数infiltration coefficient: 地表渗入系数; 入透系数; 渗滤系数; 渗透系数air infiltration: 空气渗透; 气渗空气透入; 渗风rainfall infiltration coefficient: 降水渗入系数air infiltration ratio: 风干渗漏比率下载手机词典可随时随地查词查翻译