chromate的例句（chromate在句子中的用法）

• Cr - Fe waste residue is derived from production of chromate or chromium oxide. 铬铁废渣是生产铬盐或其氧化物所排放的废渣.
• The potassium chromate method is one regular method to determine COD. 重铬酸钾法是测定化学需氧量的常规方法.
• Two - stage chromate reduction has been used at several plants. 一些厂已采用两段铬酸盐还原法.
• It's a two - component, chromate free, epoxy polyamide adduct shop primer especially designed. 是一种不含铬的双组份环氧聚酰胺加成物的车间底漆.