1.
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。
2.
If pipe dope is used, apply sparingly on pipe threads, neveron valve threads.
在管道螺纹上只能少量使用管道粘接剂，但是在阀门螺纹上绝对不能使用管道粘接剂。
3.
Design and Analysis of FRP Pipe Thread Grinding Machine Control System
FRP管道螺纹磨削机控制系统设计与分析
4.
"When threading pipe, gauge pipe threads for size and length to avoid jamming pipe against seat and disc."
当对管道进行攻丝时,要测定管道螺纹的尺寸和长度,避免将管道塞满阀座和阀瓣。
5.
pin-to-box pipe
阳螺纹-阳螺纹管子
6.
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。
7.
threaded type track bolt nut chuck
螺纹式轨道螺母夹头
8.
NPT tapered tube thread gauges
NPT锥管螺纹量规
9.
Pipe threads where pressure-tight joints are made on the threads
GB/T7306-1987用螺纹密封的管螺纹
10.
minimum number of pipe threads for connections
管螺纹连接的最少螺纹牙数
11.
Pipe threads where pressure-tight joints are not made on the threads
GB/T7307-1987非螺纹密封的管螺纹
12.
A pipe coupling threaded on both ends.
螺纹接头一种两端都带外螺纹的管子
13.
Gauges for sealing tube threads
用螺纹密封的管螺纹量规
14.
Gauges for nonsealing tube threads
非螺纹密封的管螺纹量规
15.
small bundles of spiral vessels
螺纹导管的小维管束
16.
internal ribbed tube
内肋片管，内螺纹管
17.
Taper pipe threads with 60 degree
GB/T12716-199160°圆锥管螺纹
18.
Forged steel threaded pipe fittings
GB/T14626-1993锻钢制螺纹管件