石油象水一样，可通过管道输送。
冷空气通过管道输送进来而暖空气则被输送出去。
污水通过管道从分站向上输送到总站去净化。
The waste water was piped up from the sub-stations to the central station for cleaning.
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.
通过从这个小小的管道输送出来的电信号转变成了光信号。
These electrical signals are turned into light signals which are sent down the thin "pipe".
通过从这个小小的管道输送出来的电信号转变成了光信号。
These electrical signals are turned into light signals which are sent down the thin "pipe".
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