furnace scale内: inner; inside; within氧化: oxidize; oxidate; oxide; bur ...皮: skin内氧化: internal operation; internal oxidation金属研磨法除去管内氧化皮: standard guide for metallic abrasive blasting to descale the interior of pipe下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:炉内氧化皮,即可在微信中查询翻译