被冷却净化后的煤气经加压机，通过煤气管道输送使用。

Be cooling after purification of gas pressure machine, through the use of gas pipeline.

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因此，常被用在高温水蒸气输送管道、水煤气管道中。

Therefore, are used in high temperature steam pipe, water pipe.

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因此，常被用在高温水蒸气输送管道、水煤气管道中。

Therefore, are used in high temperature steam pipe, water pipe.

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