反应产物经精馏分离后得到的产品纯度在99.8%以上。

The purity of the product after rectifying process could reach to 99.8%.

youdao

反应产物经精馏分离后得到的产品纯度在99.8%以上。

The purity of the product after rectifying process could reach to 99.8%.

youdao