As a precious resource, C5 fraction can be used to produce a serious of chemical products with high added value.

而C5馏分作为一种宝贵的资源，可以生产一系列高附加值的化工产品。

youdao

As a precious resource, C5 fraction can be used to produce a serious of chemical products with high added value.

而C5馏分作为一种宝贵的资源，可以生产一系列高附加值的化工产品。

youdao