产品成份为锆英砂、石灰石、磷酸钙、氟化钙、硼砂。

The ingredients of the product comprise zircon sand, limestone, calcium phosphate, calcium fluoride and borax.

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产品成份为锆英砂、石灰石、磷酸钙、氟化钙、硼砂。

The ingredients of the product comprise zircon sand, limestone, calcium phosphate, calcium fluoride and borax.

youdao