化工产品的用法和样例：
例句
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石油化工产品现在已占所有化学制品的四分之一，十年后预计这个数目还要加倍。
Petrochemicals today account for one fourth of all the chemicals made, in ten years this amount is expected to double. -
计算机在检查了16000种可能的设计方案之后，选出了以最低的成本生产最多化工产品的工厂的设计方案。
After running through16,000 possible designs, the computer picked out the plan for the plant that would produce the most chemicals at the lowest cost.
