不过，从石油生产化学制品的主要目的在于，生产出大量具有明确界定的化合物，以奠定石化工业的基础。
Nevertheless, the main objective in producing chemicals from petroleum is the formation of a variety of well-defined chemical compounds that are the basis of the petrochemical industry.
二制造石化原料工厂之试车，需使用石油制品。
If a petrochemical feedstock manufacturer needs petroleum products for a trial run.
本文探讨了台湾石化业的主要部门塑胶原料业的成长过程以及成长的原因，也探究了上游石化基本原料业与下游塑胶制品业对其成长的影响。
This paper explores the history and causes of growth of Taiwan's plastic-material industry, which lies vertically between the upstream basic petrochemicals and the downstream plastic product sectors.
本文探讨了台湾石化业的主要部门塑胶原料业的成长过程以及成长的原因，也探究了上游石化基本原料业与下游塑胶制品业对其成长的影响。
This paper explores the history and causes of growth of Taiwan's plastic-material industry, which lies vertically between the upstream basic petrochemicals and the downstream plastic product sectors.
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