paint element

👨🏻‍🏫 學術台化學

2007-04-27 2:19 am

i want to know the main element for paint. thx

回答 (1)

2007-04-27 11:01 pm

✔ 最佳答案

can you please specify which colour?

white: barium sulphate

參考: me*

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