cover cutting防: provide against; defend agai ...氧化: oxidize; oxidate; oxide; bur ...切割: slicing; cutting; excision; ...防氧化: osp电化切割: electrochemical machining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:防氧化切割,即可在微信中查询翻译