1.
Study on the Measurement of Roundness and Straightness for the Inner Hole of the Large Diameter Long Pipes;
大口径长管内孔的直线度、圆度测量研究
2.
The construction quality control of long distance and large bore steel pipe driving
长距离大口径钢管顶管施工质量控制
3.
Optic Design of Collimator with Large Aperture and Long Focal Length
大口径长焦距平行光管光学系统设计
4.
Application of Large Diameter & Long Distance Curve Pipe Jacking Technology
大口径长距离急曲线顶管技术的应用
5.
Sturdy of large-diameter,long focal length collimator assemble technical
大口径、长焦距平行光管装调技术研究
6.
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
7.
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
8.
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
9.
Optical Design of the Reflective Eccentric-pupil Collimator with Large-aperture and Long Focal Length
大口径长焦距反射式偏瞳平行光管光学设计
10.
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
11.
Research on and Application of Key Technologies in Long-distance and Large-diameter Steel Tube Pipe Jacking Construction
长距离大口径钢管顶管施工关键技术的研究与应用
12.
Research on Composite Energy Removal Construction of Big Caliber and Long Distance Water Delivery Pipe;
长距离大口径输水管道综合式消能井结构技术研究
13.
APPLICATION OF SUPER-LONG PRESTRESSED CONCRETE TUBULAR PILES WITH LARGE DIAMETER IN DEEP SOFT SILT HARBOR PROJECT
超长预应力混凝土大直径管桩在深淤泥港口工程中的应用
14.
The Solution for Unacceptable LSAW Linepipe End Diameter
大口径直缝焊接钢管管端直径超差的处理方法
15.
Design of Adapter Pipe for Large-Diameter Pipeline
冶金行业大口径管道接管设计与分析
16.
FEM Simulation Research on Large-Sized Straight Weld Pipe's Rounding and Sizing Process
大口径直缝焊管整圆定径工艺数值模拟研究
17.
Numerical Simulation of Rounding-sizing Process of Large-sized Straight Welded Pipe
大口径直缝焊管整圆定径工艺过程的数值模拟
18.
To determine mandril diameter for 48"LSAW pipe
48英寸大口径直缝焊管成形芯轴直径确定