The net result is a continuous flow of gas, starting as hot gases in intergalactic space and ending as a drizzle of cool gas called a "cooling flow," falling into the central galaxy.

最终的结果是一股持续的气体流，开始是星系间的热气体，结束时是一股被称为“冷却流”的少量冷气体，落入星系中央。

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Flow of gas or liquid due to a pressure difference is called viscous flow.

由于压力差引起的气体或液体流称为滞流。

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All investigators in mass transfer assumed plug flow of gas in packed beds.

所有传递问题的研究者都假定在填充床层中的气体为活塞流。

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By 8 p.m. utility workers turned off the flow of gas, Berardi said.

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Berardi said the utility stopped the flow of gas about 8 p.m.

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He praised the quick wits of a guard who set of an alarm that stopped the flow of gas and warned workers of an imminent attack.

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