例句與造句

1. pigments . basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments
   顏料.堿性鉻酸鋅鉀顏料和四氧鉻酸鋅顏料
2. It's difficult to find basic zinc potassium chromate in a sentence. 用basic zinc potassium chromate造句挺難的