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。
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。
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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