这个工厂生产瓶型气隔和地漏。

This factory manufactures bottle traps and floor drains.

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研究人员播放一种声音，然后隔一段时间(每组的时间长短不同)，向老鼠的眼睛内吹一阵气，令它们眨眼睛。

The researchers played a sound and then, after a set period of time that varied between each group, blew a puff of air into the rats' eyes, making them blink.

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这涉及大量的石油，天然气，煤炭进口以及与国外的纠隔。

That has involved bigger imports of oil, gas and coal, and so more foreign entanglements.

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