Slack line flow sessions can appear in a long slope pipeline.

大落差管道在运动中，其下坡段可能出现不满流管段。

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The development of the oil field on the North Slope of Alaska and the construction of the Alaska pipeline are examples of the great expense and difficulty involved in new oil discoveries.

阿拉斯加北坡油田的开发，以及阿拉斯加地区输油管道的建设，就是在新石油资源的勘探中涉及到巨额开支和巨大困难的例子。

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A year later, thousands of gallons of oil spilled onto Alaska's North Slope from a corroded BP pipeline.

一年之后，数千加仑的石油从蚀透的BP管线中泄露到阿拉斯加北坡。

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Separately, in August, Alaska Gov. Sarah Palin, the former GOP vice presidential candidate, signed a bill allowing TransCanada Alaska to build a 1, 715-mile natural gas pipeline from the North Slope's Prudhoe Bay to Alberta, Canada.

CNN: Study: Tap natural gas from Alaska's frozen areas

The company that operates the Trans Alaska Pipeline told operators on the North Slope to cut crude production by 95%, after discovering an oil leak.

WSJ: BP to Cut Oil Production on Alaska's North Slope

Offshore oil production could help refill the pipeline just when the flow from the North Slope is projected to reach critical lows.

WSJ: Drilling Rules Hit Alaska Pipeline