The raw material for the tyre is a byproduct of oil refining.

这种轮胎的原料是汽油提炼的副产品。

《柯林斯英汉双解大词典》

Oil remains a vital raw material, but bits and bytes have become one too.

石油仍然是一项至关重要的原材料，但比特和字节也已经成为了另一项。

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But the oil price hike has also fueled a race to find new sources for chemical intermediates - compounds that are the raw material for many modern plastics, drugs and fuels.

但是，高涨的油价还激发了寻找新的化学中间品来源的竞争——这些化合物是许多现代材料的原料，比如塑料、药品以及燃料等等。

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Unlike conventional plastics, their ultimate raw material is not oil, but maize.

ECONOMIST: Evanescent or evergreen?

For 3, once nylon had been discovered and proven useful, the race was on, given the supply of cheap oil (the main raw material) post WWII, from the Arabian Gulf.

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Plant oils consist of fatty acids combined with glycerol and these fatty acids (for example, those from palm oil) are the main raw material for the biodiesel already sold today.

ECONOMIST: Advanced biofuels