1.
Forged steel threaded pipe fittings
GB/T14626-1993锻钢制螺纹管件
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.
Torque Test of Thread Fastener for Automotive Braking Pipe Line
汽车制动管路螺纹紧固件的扭矩试验
5.
NPT tapered tube thread gauges
NPT锥管螺纹量规
6.
Research of Pipe Fixture Based on Differential Corkscrew Machinery
可移式管螺纹成型机管件夹具的设计与研究
7.
The Development and Application of the Special CAE Software of Cold Drawing Internal Rifled Tubes;
冷拔内螺纹锅炉管专用CAE软件开发及应用研究
8.
The CAT System Software Design for Internal Thread of Joint;
油套管接头螺纹CAT系统软件的设计与开发
9.
Experimental Research on Strength Heat Transfer of Vertical Spiral Steel Tube Under the Condition of Condensation;
凝结条件下垂直螺纹钢管强化传热的试验研究
10.
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。
11.
Pipe threads where pressure-tight joints are made on the threads
GB/T7306-1987用螺纹密封的管螺纹
12.
minimum number of pipe threads for connections
管螺纹连接的最少螺纹牙数
13.
Pipe threads where pressure-tight joints are not made on the threads
GB/T7307-1987非螺纹密封的管螺纹
14.
A pipe coupling threaded on both ends.
螺纹接头一种两端都带外螺纹的管子
15.
Gauges for sealing tube threads
用螺纹密封的管螺纹量规
16.
Gauges for nonsealing tube threads
非螺纹密封的管螺纹量规
17.
small bundles of spiral vessels
螺纹导管的小维管束
18.
internal ribbed tube
内肋片管，内螺纹管