长距离输油管道一般需要给油泵(设在首站)和主输油泵两种。
In general, a long distance oil transporting pipeline needs both feeding pumps (installed in the first pumping station) and main delivery pumps.
长距离输油管道一般需要给油泵(设在首站)和主输油泵两种。
In general, a long distance oil transporting pipeline needs both feeding pumps (installed in the first pumping station) and main delivery pumps.
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