短语词组短语saline dirtiness 盐垢pen dirtiness 圈栏污染程度Biofilm dirtiness 生物膜垢dirtiness class 污秽等级dirtiness resistance 翻译Dirtiness Prevention 防污container dirtiness change 污箱费Dirtiness and Cleanliness 肮脏与洁净 返回 dirtiness