The organoiodine compound erythrosine is an important food coloring agent.
有机碘化合物赤藓红是重要的食用色素。
Silver oxide in the glass industry for the coloring agent .
氧化银在玻璃工业中用作着色剂。
Coloring - Once again, you will probably not need to much coloring agent.
着色-再次，你可能不会需要很大的着色剂。
Coloring - Once again, you will probably not need to much coloring agent.
着色-再次，你可能不会需要很大的着色剂。
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