standard specification for chromates on aluminum铝: aluminium的: 4次方是 The fourth power of 2 i ...铬酸盐: chromate处理: deal or cope with钢的铬酸盐处理: cromodizing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:铝的铬酸盐处理,即可在微信中查询翻译