1.
Welding construction technology for installation of large diameter gas pipeline
大口径天然气管道安装焊接施工技术
2.
Trench design for buried cross-fault large-diameter gas pipelines
大口径天然气管线穿越断层的管沟设计研究
3.
LARGE DIAMETER OXYGEN PIPE FABRICATION AND INSTALLATION TECHNOLOGY
大口径氧气管道制作及安装应用技术
4.
Research on Natural Gas Leakage and Diffusion Numerical Simulation
天然气管道泄漏与天然气在大气中扩散的模拟研究
5.
Large Bore Pipe Gas Flow Measurement Using Cone Flowmeter
大口径管道气体流量测量采用锥形流量计
6.
The Study of The Digatal System and Pneumatic System of Big Diameter-Pipeline Internal Welding Machine;
大口径管道内焊机数控系统及气动系统研究
7.
Common Technique for Hydrostatic Tests of Large-diameter and Long-distance Oil and Gas Pipelines
大口径油气长输管道水压试验的一般作法
8.
Used for protecting the natural gas and petroleum pipe from corrosion.
用途：用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
9.
Application of Wavelet Transform Modulus Maximum in Leakage Detection of Natural Gas Pipeline
小波模极大值法在天然气管道检漏的应用
10.
Engineering Application Research on Domestically Manufactured X80 Pipeline Steel Used for Large Diameter Gas Transportation Pipeline;
国产X80管线钢用于大口径输气管道的工程应用研究
11.
the car wouldn't start because dirt clogged the gas line.
输气管是用来输送天然气的管道。
12.
Second, the LDC has not prepared for the pipeline NG and LNG management.
第二，地方输配气公司没有准备好管理大量的管道天然气和液化天然气的配送；
13.
Comparison between liquefied natural gas,pipe natural gas and substitute natural gas
液化天然气、管道天然气与煤制天然气的比较分析
14.
Investigation to the Corrosive Environment of Gas Pipeline in Chengdu
成都某天然气输气管道腐蚀环境调查
15.
To determine the caliber of(a tube).
确定（管道的）口径
16.
Design of Adapter Pipe for Large-Diameter Pipeline
冶金行业大口径管道接管设计与分析
17.
Double Layer SAW Pipe with Large Diameter for Transmitting Oil and Gas
油气输送管道用大直径双层埋弧焊管
18.
Method and installation technology of large diameter PCCPs
大口径PCCP管道安装工艺与方法