单词dubbin
n.: 皮革用防水油网络: 防水油皮膏;革用软化防水油脂;皮革保护油
皮革用防水油
n.polishwaxblackingdressingwaterproofing
Construction Technology of Leak Prevention with "Four-vanadium" Dubbin
“四矾”防水油堵漏施工技术