abrasionn.擦伤；磨损；磨损处abrasion machine磨损试验机,磨耗(试验)机, 耐磨试验机(织物)abrasion terrace磨蚀阶地,海蚀阶地abrasion pattern磨耗图形abrasion peeling磨擦去皮Abrasion of pipe管道磨损abrasion surface海蚀面,浪蚀面abrasion of coin铸币磨损abrasion-proofadj.耐磨的abrasion failure烧毁abrasion concrete磨蚀性混凝土