1.
Investigation and Development of Enhanced Tubular Heat Exchangers With C-276 Alloy
C-276合金螺旋波纹管高效换热器的研发
2.
Application of a new helix screw thread pipe heat exchanger
一种新型螺旋螺纹管式换热器的应用
3.
These rolls are corrugated cylinders, usually of the spiral type.
粉碎辊是波纹式滚筒，还常是螺旋割纹式。
4.
coupling straigth-way cock
两端带阴螺纹管接的直通旋塞
5.
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
6.
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
7.
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
8.
Research on Helical Slow-Wave Structures of High Efficiency TWTs;
高效率螺旋线行波管慢波系统的研究
9.
pin-to-box pipe
阳螺纹-阳螺纹管子
10.
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。
11.
These results may be useful in designing helices-BWT or TWT.
这些结果可用于螺旋线返波管或行波管的设计。
12.
General purpose screw threads for joints on pipe line--Dimensions
GB/T1414-1978管路旋入端用普通螺纹尺寸系列
13.
Synthetic Analysis Method of the Heat Dissipation Capability of Slow-Wave Structure for Helix TWT
螺旋线行波管慢波系统的综合热分析法
14.
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
15.
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
16.
NPT tapered tube thread gauges
NPT锥管螺纹量规
17.
fixed screw propeller shrouding
定螺距螺旋桨导流管
18.
The spirally threaded shaft of a worm gear.
螺纹蜗轮的刻有螺旋线的柄