Bends are the important parts in the long distance pipeline of oil and gas.
弯管是长距离油气输送管道的重要组成部分。
It is proved by examination that the economical and practical equipment and technics are suitable for the long distance transmission pipeline, and it has good foreground of spreading and appling.
试验证实，这是一种与长输管道自动焊配套的经济实用型成套设备，具有较好的推广应用前景。
This article is useful for the oil pipeline optimal operation and long distance gas pipeline design to some extent.
本文对热油管道的运行优化和天然气长输管道设计也具有一定的借鉴意义。
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