1.
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
2.
Forged steel threaded pipe fittings
GB/T14626-1993锻钢制螺纹管件
3.
Hubbed screwed steel pipe flanges with raised face for PN 0.6MPa (6 bar)
GB/T9114.1-1988PN0.6MPa(6bar)凸面带颈螺纹钢制管法兰
4.
Hubbed screwed steel pipe flanges with raised face for PN 1.0MPa (10 bar)
GB/T9114.2-1988PN1.0MPa(10bar)凸面带颈螺纹钢制管法兰
5.
Hubbed screwed steel pipe flanges with raised face for PN 2.5MP (25 bar)
GB/T9114.3-1988PN2.5MPa(25bar)凸面带颈螺纹钢制管法兰
6.
pin-to-box pipe
阳螺纹-阳螺纹管子
7.
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。
8.
NPT tapered tube thread gauges
NPT锥管螺纹量规
9.
grout anchored deformed bar
灌浆锚定的螺纹钢杆
10.
An apparatus for holding the dies that cut threads on screws, bolts, pipes, or rods.
板牙铰手一种用来夹持切削螺钉、螺柱、钢管或拉杆上螺纹的螺丝模的装置
11.
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。
12.
A SYMPOSIUM FOR APPRAISING THE OUTSIDE SPIRAL PIPES AND THEIR PRODUCTION PROCESS HELD AT TIANJING SEAMLESS STEEL PIPE FACTORY
外螺纹管及生产工艺鉴定会在天津市无缝钢管厂召开
13.
Pipe threads where pressure-tight joints are made on the threads
GB/T7306-1987用螺纹密封的管螺纹
14.
minimum number of pipe threads for connections
管螺纹连接的最少螺纹牙数
15.
Pipe threads where pressure-tight joints are not made on the threads
GB/T7307-1987非螺纹密封的管螺纹
16.
A pipe coupling threaded on both ends.
螺纹接头一种两端都带外螺纹的管子
17.
Gauges for sealing tube threads
用螺纹密封的管螺纹量规
18.
Gauges for nonsealing tube threads
非螺纹密封的管螺纹量规