Graphical Method of Economical Pipe Diameter and its Application for Branch Pipe of Sprinkler Irrigation System
微喷灌工程中支管经济管径图解法计算及应用
A Cursory Review Concerning Bottom Diameter Progressive Increment of Flat Sizing Roll of Straight Weld Pipe Mill
直缝焊管机组定径平辊底径递增量的探讨
Determining Economic Pipe Diameter of Irrigation and Drainage Pumping Station With Kinetic Energy Economy Method
用动能经济方法确定排灌泵站的经济管径
Note The front two numbers indicate the inner diameter of the pipe, and the back two indicate the outer diameter.
说明前两位数表示管子内径，后两位数表示管子外径。
Analysis shows that with the method of optimized selection of pipe diameter, excellent effects have been acquired.
通过计算分析表明，优选管径法可以取得良好的效果。
Pipe should be bent out as the dumbbell shape if the width space for piping is shorter than mininum bending diameter.
布管幅宽小于最小直径时要作成哑铃形。
Microstructure and Mechanical Properties of Large Diameter Centrifugal Casting Ductile Iron Pipe and Its Annealing Process
离心球墨铸铁管的组织及退火工艺研究
Computer fixed length flying cutter applied in large diameter and thick wall thickness longitudinal welded pipe was introduced.
介绍了用于大口径、厚壁直缝焊管线上的电脑定尺飞锯。
Construction Technology for Protection of Existing Underground Pipe and Culvert with Large Diameter during DOT Tunneling Construction
双圆盾构推进中对地下大口径原水管涵保护的施工技术
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