RESULTS the content of mint oil in vacuum pack is much higher than the other.

结果真空包装的薄荷挥发油含量较普通包装高。

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CONCLUSION the vacuum pack is propitious to the mint quality, which is one of prefer method to conserve mint oil.

结论真空包装更有利于薄荷贮存质量稳定性，是一种较好的保质贮藏方式。

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While Roomba is already the world's best-selling vacuum cleaning robot, we continue to make improvements to ensure it is the best on the market and stays at the head of the pack.

尽管Room ba已成为全球最畅销的真空吸尘机器人，我们继续改进以确保它是市场上最好的产品，并保持领先地位。

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The company vacuum packs its meat, then ships it in ice-pack-filled foam coolers in corrugated boxes.

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