reduction还原: return to the original condi ...蚀: lose低: low耐蚀低合金钢: corrosion resistant low alloy steel淤积蚀低阶地: fillstrath terrace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:还原;蚀低,即可在微信中查询翻译