what's the ingradients in the egg shell?
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what's the ingradients in the egg shell?
what's the ingradients in the egg shell?
what's the ingradients in the egg shell?
鸡蛋壳的成分是什么?
答:碳酸钙.(不好意思,碳酸钙的英文不知道怎么说)
CaCO3
calcium carbonate
CaCO3
主要是Ca元素,含有CaCO3,但不表明他就是!
Caco3