1.
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
2.
pin-to-box pipe
阳螺纹-阳螺纹管子
3.
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。
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.
fixed screw propeller shrouding
定螺距螺旋桨导流管
9.
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。
10.
NPT tapered tube thread gauges
NPT锥管螺纹量规
11.
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
12.
Apply pipe dope sparingly on pipe threads, never on valve threads.
在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。
13.
The spirally threaded shaft of a worm gear.
螺纹蜗轮的刻有螺旋线的柄
14.
the raised helical rib going around a screw.
绕着螺丝的凸起的螺旋状的肋纹。
15.
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
16.
Approximate Graphics of 3D Spiral Spring and Thread in AutoCAD;
AutoCAD中三维螺旋弹簧、螺纹的近似画法
17.
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
18.
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