An oil company plans to construct a east to west from the main pipeline.

某石油公司计划建造一条由东向西的主输油管道。

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So the main equipment is the two reservoirs and the pipeline between them.

因此，给水系统的主要设备就是两座水库和联结它们的管道。

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The oil pipeline, the main engine oil discharge filter easy to stop up;

油管路、主机回油过滤器易堵塞；

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The oil pipeline, the main engine oil discharge filter easy to stop up;

油管路、主机回油过滤器易堵塞；

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