所得改性纳米碳酸钙产品的活化指数达0 94以上，白度在96%以上。

The active exponent of the modified nanometer calcium carbonate is over 0.94 and the white degree is over 96%.

youdao

所得改性纳米碳酸钙产品的活化指数达0 94以上，白度在96%以上。

The active exponent of the modified nanometer calcium carbonate is over 0.94 and the white degree is over 96%.

youdao