differential etching微分: differential腐蚀: corrode; corrosion; corrodin ...微分腐蚀速度: differential etch rate电分腐蚀: electrochemical attack灰分腐蚀: ash corrosion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:微分腐蚀,即可在微信中查询翻译