In the process of the long distance of this dust storm event, there are two high concentration centers transporting eastward.

此次沙尘暴长距离输送过程中，主要有两个高浓度中心向东传输。

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This paper evaluates underground gas storage on the base of combining the particularity of long-distance transporting pipeline, and gets economic benefit incarnate cost.

对储气库的经济效益进行了研究，结合天然气长输管道的特殊性，评价了地下储气库的经济效益。

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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。

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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。

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