The volume of supply air to an underground water powerhouse is very large. Supplying air from the ceiling can save much space in the house. Studies it with scale model tests.

水电站地下主厂房的送风量很大，采用顶送风方式可避免大量占有用空间。

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If the proportion of imported pipeline gas falls, so does the pricing power of conventional suppliers, even if the overall volume they supply goes up.

如果进口天然气的比例下降了，传统供应商的定价权利也会下降，尽管他们整体上提供的天然气量上升了。

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But the huge volume of potential supply has also created the impression that Chinese groups are rushing to sell new equity while they can, ahead of a deeper slump.

但潜在供应量的巨大规模也给人产生了这样一种印象：中国的上市公司正准备在股市进一步暴跌之前，匆匆卖掉所有能卖掉的新股票。

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Common sense would dictate this kind of increased volume of sq inches purchased from their display supply chain should yield some substantial discounting on the per unit cost of the display for an iPhone and an iPad!

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At the end of 2012, however, there was about 236 million square meters of home supply on the market, about three times the volume of monthly sales.

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He describes this low-volume, high-return phenomenon in terms of the supply and demand for corporate earnings.

FORBES: Magazine Article