There are four patterns of upgrading for local industries in terms of innovation points: process upgrading, product upgrading, functional upgrading, and inter-sectional upgrading.
产业升级有工艺流程升级、产品升级、功能性升级和跨产业升级四种模式；
If necessary, it can be distilled out MX from the process, upgrading fuel value to chemical value.
如果需要，也能利用此工艺从粗裂解汽油中抽提出混合二甲苯，将其价值从燃料级提升到化工原料级。
If necessary, it can be distilled out MX from the process, upgrading fuel value to chemical value.
如果需要，也能利用此工艺从粗裂解汽油中抽提出混合二甲苯，将其价值从燃料级提升到化工原料级。
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