Study of applicability of small-diameter tube used for chemical injection operation;
注剂作业用小直径管适用性试验研究
The study on the experiment of wall thickness deformation of coreless bended small-diameter tube;
小直径管无芯弯曲壁厚变形的试验研究
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
The application of small diameter tubing draining gas recovery technology at the jingbian gasfield
小直径管排水采气技术在靖边气田的应用
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
graduated tubing
直径分段减小的油管柱
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。
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
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
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
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。
Inside Diameter I.D
内直径（俗名管内径）
Study of the Forming Process of the Minor Diameter Thin Wall Magnesium Alloy Tubes;
小直径薄壁镁合金管件成形工艺的研究
Research and Design on Segment Erector for Small Diameter Full Face Tunnel Boring Machine
小直径全断面掘进机管片拼装机设计研究
Analysis on Anti-slide and Calculation Theory of Small Diameter Steel Tubular Anti-slide Row Piles
小直径钢管排桩抗滑机理分析及计算理论
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
Analysis of Pressure Fluctuation for Gas-liquid Two-phase Flow in a Upward Vertical Pipe with Small Length-diameter Ratio
小长径比垂直上流管压力波动特性分析
Research on automatic surfacing welding control system for internal wall of small diameter tube
小口径直管内壁自动堆焊控制系统研究
The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
TUBE DIAMETER SHALL BE WITHIN 10% OF NOMINAL DIAMETER WITHIN BEND RADIUS.
管直径须在直径理论值和折弯半径的10%以内。