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Stearic acid coated calcium carbonate powder
P=12C
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Stearic acid coated calcium carbonate powder
P=5C
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Stearic acid coated calcium carbonate powder
P=12C
She had to switch her mathematics class twice.
Stearic acid coated calcium carbonate powder
P=12C
Stearic acid coated calcium carbonate powder
P=5C
Stearic acid coated calcium carbonate powder
P=12C