During the alternating transportation of product oil through pipeline, the flow rate of the oil changes with the moving of the mixed oil segment.

在管道顺序输送成品油过程中，随着混油段的移动，管内流量必然会发生变化。

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Its enterprise multiple of 11 is a tad less than the oil-service segment's median of 12.

FORBES: Gassing Up

Year-to-date the fund is up a hefty 12.9 percent, besting competing funds in the oil equipment and services segment.

FORBES: Riding The Energy Bull With The Right ETF

Tuesday's surging oil price rippled throughout various segment's of the economy.

FORBES: Magazine Article