1.
Design of Adapter Pipe for Large-Diameter Pipeline
冶金行业大口径管道接管设计与分析
2.
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
3.
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
4.
Horizontally Directional Drilling Engineering of Big Inch Pipeline
论大口径管道水平定向钻穿越施工技术
5.
Data Processing of the Big Calibre Pipeline Flow & Development of Communication Module;
大口径管道流量测量中的数据处理和通讯模块开发
6.
To determine the caliber of(a tube).
确定（管道的）口径
7.
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
8.
Method and installation technology of large diameter PCCPs
大口径PCCP管道安装工艺与方法
9.
Analysis on leakage risk of large diameter PCCP pipeline for South-to-North Water Transfer Project
南水北调大口径PCCP管道漏水风险分析
10.
Discussion on friction head loss calculation for large diameter PCCP
大口径PCCP管道沿程水头损失计算探讨
11.
A free-swimming leak detection system for large diameter water transmission pipeline
大口径输水管道自由浮游式检漏系统
12.
LARGE DIAMETER OXYGEN PIPE FABRICATION AND INSTALLATION TECHNOLOGY
大口径氧气管道制作及安装应用技术
13.
Application of Pipeline Sinking Method in Large-diameter Long-distance Pipeline Construction
沉管法在大口径长输管道工程中的应用
14.
It is applicable to big ranges of pressure, temperature and caliber, especially to the pipeline of moderate or big caliber.
闸阀适用的压力、度及口径范围很大，尤其适用于中、口径的管道。
15.
Research on Internal Circumferential Automatic Welding Equipment and Process for Long Distance Pipeline with Big Size
大口径长输管道内环缝自动焊设备及工艺研究
16.
Study on improvement of hydrostatic testing method for long-distance and super-large diameter PCCP pipeline
长距离大口径PCCP管道水压试验方法改进研究
17.
Study on Structural Safety and Quality Control of Large Diameter PCCP
超大口径PCCP管道结构安全与质量控制研究
18.
Design and Application of Construction Equipment for Laying Large-Diameter PE Pipe under Sea Bottom
大口径PE管道海底敷埋施工设备的设计和应用