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Red Chalk

1、红粉笔

...French chalk 滑石粉red chalk 红粉笔tailor's chalk 划粉,滑石粉 ...

2、红铅粉

红铅粉 red lead powder ; red lead oxide ; lead protection red ; red chalk黑铅粉 black lead powder ..

3、红垩土

...红漠土 red desert soil红垩土 red chalk红赭土 kokowai ...

地球科学

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