1.
Study of Efficiency in Pipe-line Cleaning with High Preasure Waterjets;
基于高压水射流技术小直径管道清洗效率的研究
2.
Double-side,two-men vertical welding procedures for small-diameter cryogenic aluminum alloy pipelines
小直径低温铝合金管道双人双面立焊工艺
3.
graduated tubing
直径分段减小的油管柱
4.
The diameter of the inside of a round cylinder, such as a tube.
口径圆柱体内侧圆的直径，如管道
5.
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
6.
Experiment on Gas Explosion and Restricted Explosion in φ700mm Pipeline
直径700mm管道内瓦斯爆炸及抑爆试验
7.
The larger oil line is six inches, for fuel oil and the smaller one is four inches, for diesel oil.
大的油管直径6英寸，用于燃料油，小的油管直径4英寸，用于柴油。
8.
FEA Simulation of Roll Forming Process for Small-diameter Thick-walled Tube
小直径厚壁管产品Roll forming FEA仿真研究
9.
Finite Element Simulation Analysis of Welded Tube Forming with Small Diameter and Thickness
小直径厚壁焊管成型有限元仿真分析
10.
The earth is slightly flat at the poles, so that the polar diameter is slightly less than the equatorial diameter.
地球在两极扁平一点，所以其极直径略小于赤道直径。
11.
So small is the diameter of the tube that it is hard to see it with the naked eye.
这根管子的直径太小了，用肉眼简直看不出来
12.
Influential Rules about the Cooling Pipe′s Diameter on the Cooling Effect of Large-Diameter Bars
冷却器管道直径对大直径棒材冷却效果的影响规律
13.
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。
14.
Testing and Application for Small-tube/tube-sheet Inner Bore Filler Metal Welding
小直径管子/管板内孔填丝对接焊试验与应用
15.
Suction piping for all pumps shall have at least five(5) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle.
所有水泵的吸水管道直径至少应有5倍于吸入口的上升直水管段的额定边缘直径。
16.
A trodden track or way.
小道，小径踏出的径或路
17.
Analysis of Force and Protection of the Taper Pipe in Directly Buried Heat-Supply Pipeline
直埋供热管道变径处的受力分析与保护
18.
Welding Process of Pipeline with Diameter of 1219 mm in India East to West Gas Transmission Pipeline Project
印度东气西输工程直径1219mm管道焊接工艺