It is realized by referring to a system formed by an ash bucket, ash storage pump, ash transporting pipe, and the air make-up pipe for compressed air.

该方法借助于灰斗、灰仓泵、输灰管、压缩气补气管组成的系统实现。

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High petrol prices and the desire to clean up our air quality make them the smart choice.

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It might also surprise you to learn that air, hotel and rental cars only make up about 50% of the total spend that appears on an expense report.

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More speed on the ground may make up for less in the air.

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