在每周的测试中你们不能使用辅助材料。

You do not use an aid sheet on the weekly test.

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它需要某种额外的辅助材料。

It needs something else, a supplementary material.

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所有这本书的辅助材料可用于在网络上免费的。

All the book's support materials are available for free on the Web.

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叶蜡石是高温高压合成金刚石的关键辅助材料。

Pyrophyllite is a key assistant material in production of synthetic diamond.

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叶蜡石是高温高压合成金刚石的关键辅助材料。

Pyrophyllite is a key assistant material in production of synthetic diamond.

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