If I place my container of gas on the table here, and I come back an hour later, the pressure needs to be the same when I come back Otherwise it's not equilibrium.

如果我把装气体的容器放在桌子上，一小时以后我再回来时,气体的压强应该是不变的,否则它就不是平衡的。

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Keeping gas off the table during those discussions may soon become impossible.

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If you like the supply-demand profile--and the Beltway goodwill--consider the natural gas stocks in the accompanying table.

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The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.

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