... 2.3.14管道系统piping system 2.3.15 副管looped pipeline 《输油管道工程设计规范GB50253-2003》 ...
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介绍了一种适用于浅层超稠油水平井的副管生产测井新技术。
A new technology of production logging with looped pipeline was introduced to suit to sallow horizontal well with viscous oil.
本发明还涉及密封管道外螺纹的制造方法、制造装置以及导入式过盈配合管螺纹副管件。
The invention also relates to a method and a device for manufacturing the external thread of the sealing pipeline and a thread pair pipe fitting of a guide-type interference fit pipe.
用户可以通过一副耳机或扬声器收直接听来自碳纳米管晶体管的正规无线电广播。
The user listens to regular radio broadcasts that flow directly from a carbon nanotube transistor to a pair of headphones or speakers.
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