1.
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
2.
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
3.
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
4.
Application of New Type Small Copper Tube with Inner Screw in Air Conditioner Heat Exchanger;
新型小管径内螺纹铜管在空调换热器中的应用
5.
PRODUCTION TECHNOLOGY OF INNER THREADED CU TUBE INCHINA AND ITS DEVELOPING TREND;
我国内螺纹铜管的生产技术与发展方向
6.
Influence of tooth profile parameters of inner-grooved copper tube on heat transfer performance
内螺纹铜管齿形参数对传热性能的影响
7.
The Process and Applications of High Frequency Welding for the High-efficient and Energy-saving Copper Tubes or Pipes with Inner Grooved Used in Air Conditionings and Refrigerators;
空调与制冷用高效节能内螺纹铜管高频焊工艺及应用研究
8.
internal ribbed tube
内肋片管，内螺纹管
9.
NPSI (American Standard Internal Straight Pipe Threads)
美国标准内直管螺纹
10.
reducing extension piece
异径内外螺纹管接头
11.
Non-rising-inside screw stems are used in bronze and iron gate valves.
暗杆－内螺纹结构用于青铜和铸铁闸阀。
12.
external and internal thread grinding machine
外螺纹及内螺纹磨床
13.
pin-to-box pipe
阳螺纹-阳螺纹管子
14.
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。
15.
carbide tool shank for petroleum pipe internal threading
石油管内螺纹硬质合金刀杆
16.
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
17.
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
18.
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