The result showed that the analysis of the operation of empty tower was correct and the retrofit was successful.

结果证明，对空塔工作原理的分析是正确的，改造是成功的。

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The effect of empty tower used in wet-process phosphoric acid production is better by comparison with filled tower.

通过空塔与填料塔在湿法磷酸过程中的应用情况对比，说明空塔用于湿法磷酸生产运行效果良好。

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In just 360 hours, a 100-metre-tall tower called the T30 rises from an empty site to overlook Hunan's Xiang River.

在短短360小时内，一座名为 T30 的100米高的塔从一片空地上拔地而起，俯瞰湖南湘江。

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To be fair, much of the ample CPU tower was empty, earmarked for extra features power users might add, such as CD writers and Zip drives.

CNN: Life at One Gigahertz

Several floors in the famous newspaper building right in downtown Los Angeles, like the Tribune Tower in Chicago, became empty.

FORBES: Changes in Journalism - Get Aboard, or Get Run Over!!

Hopping out of the taxi at the Starbucks there after an amazingly quicker ride than normal in the still relatively empty streets, I took up elevator up Tower A to go see Feng Deng, who heads NLVC.

FORBES: Hanging out with VCs at Tsinghua