趣英语 / refining造句

refining造句

The raw material for the tyre is a by-product of petrol refining.
制造轮胎的原材料是提炼汽油时产生的一种副产品。

The product may form the feedstock to a subsequent refining process.
产品可以作为原料去进一步加工.

These metals may be purified by a technique called zone refining.
这些金属可以用所谓“逐区提纯法”来提纯.

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