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1999年全球范围内所完成的天然气、原油和成品油干线管道的施工长度为29 408km,2000年将完成29 767km,只比上一年略微增加。美国1999年的管道施工长度为10 151km,2000年将建设9 007km的管道,其中6 901km为跨州管道和海上天然气管道,2 106km为液体管道。除美国之外,1999年共有19 257km管道建成。2000年将计划建设20 888km的管道,其中11 395km为跨国和海上输气管道,9 493km为液体管道。
In 1999, the global length of natural gas, crude oil and oil product pipeline construction was 29 408 km and in 2000 it will be 29 767 km, only a slight increase from the previous year. The length of pipeline construction in the United States in 1999 was 10 151 km. In 2000, 9 007 km of pipeline will be constructed, of which 6 901 km are interstate and offshore gas pipelines and 2 106 km are liquid pipelines. In addition to the United States, a total of 19 257km pipelines were completed in 1999. In 2000, a total of 20,888km of pipelines will be planned, of which 11,395km are transnational and offshore gas pipelines and 9,493km are liquid pipelines.