然后它通过管道将天然气输送到200英里外的加拿大，在那里的地下压泵进行采油作业。
It then ships the gas 200 miles by pipeline to Canada, where it is pumped underground in oil recovery operations.
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.
消息是通过管道在对等点和端点之间交换的数据。
Messages are the data exchanged through pipes between peers and endpoints.
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