1.
Geometry Effects on Fluid Flow and Heat Transfer in Internal Helical Finned Tubes
内螺纹肋管几何参数对流动与传热的影响
2.
internal ribbed tube
内肋片管，内螺纹管
3.
NPSI (American Standard Internal Straight Pipe Threads)
美国标准内直管螺纹
4.
reducing extension piece
异径内外螺纹管接头
5.
the raised helical rib going around a screw.
绕着螺丝的凸起的螺旋状的肋纹。
6.
Situation of technological develop ment of welding internal -thread cop per tubes and seamless internal -thread coppertubes at home and abroad
国内外焊接内螺纹铜管与无缝内螺纹铜管的技术发展状况
7.
external and internal thread grinding machine
外螺纹及内螺纹磨床
8.
Flow Boiling Heat Transfer and Flow Patterns in Three-Dimensional Micro-finned Helically Coiled Tube;
三维微肋螺旋管内流动沸腾传热与流型
9.
The Two-phase Flow and Boiling Heat Transfer in 3-D Micro-fin Helical Tube;
三维微肋螺旋管内的两相流动与沸腾传热
10.
pin-to-box pipe
阳螺纹-阳螺纹管子
11.
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
12.
carbide tool shank for petroleum pipe internal threading
石油管内螺纹硬质合金刀杆
13.
Three dimensional FE simulation of ball spinning of inner grooved copper tubes
内螺纹铜管滚珠旋压三维有限元模拟
14.
Ivestigation on Flow Boiling Heat Transfer Characteristics of R290 and R404A in Horizontal Microfin Tube;
R290与R404A内螺纹管中沸腾换热研究
15.
Study on Algorithm of CAT for Joint Internal Thread;
管接箍内螺纹CAT系统计算方法的研究
16.
Inside Weld Crack Analysis and Control of SSAW Pipe
螺旋埋弧焊管内焊缝裂纹分析与控制
17.
FE simulation on the ball spinning forming of inner grooved copper pipe
内螺纹铜管滚珠旋压成形有限元模拟
18.
Evaporation heat transfer in smooth and internal grooved tubes;
水平光管和内螺纹强化管内换热性能的研究