It is an objective fact that there is a big price ratio between the lowes price of oil resources and the highest additional value of petioleum processing products.

　
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  • 圍繞石油資源的開(kāi)采、加工等形成的基地布局模式，對區域經(jīng)濟發(fā)展的快慢、產(chǎn)業(yè)結構的調整及三次產(chǎn)業(yè)換代升級起著(zhù)舉足輕重的作用。
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