two-stage attack两: two段: section; segment; part; para ...腐蚀: corrode; corrosion; corrodin ...分段腐蚀: stopping-out两段: two-stage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:两段腐蚀,即可在微信中查询翻译