1.
internal ribbed tube
内肋片管，内螺纹管
2.
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
3.
Non-linear Finite Element Analysis of Cold Drawing Internal Rifled Tubes Process;
冷拔内螺纹管成型过程的非线性有限元分析
4.
NPSI (American Standard Internal Straight Pipe Threads)
美国标准内直管螺纹
5.
reducing extension piece
异径内外螺纹管接头
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.
pin-to-box pipe
阳螺纹-阳螺纹管子
9.
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。
10.
carbide tool shank for petroleum pipe internal threading
石油管内螺纹硬质合金刀杆
11.
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
12.
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
13.
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
14.
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
15.
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
16.
NPT tapered tube thread gauges
NPT锥管螺纹量规
17.
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
18.
Nuts have internal (or female) threads to match those of the Bolt.
螺母上有内(或阴)螺纹,与螺栓上的螺纹相啮合。