1.
Rolling Mill--Numerical Processing of the M48~M120 Internal Screw Thread;

旋风铣削——M48~M120大型内螺纹的数控加工
2.
large-size precision thread ring and plug gauge

大型精密螺纹环塞规
3.
external and internal thread grinding machine

外螺纹及内螺纹磨床
4.
female-male reducer

两端分别带有内外螺纹的大小头
5.
Nuts have internal (or female) threads to match those of the Bolt.

螺母上有内(或阴)螺纹,与螺栓上的螺纹相啮合。
6.
coarse threading attachment

大螺距螺纹切削装置
7.
internal ribbed tube

内肋片管,内螺纹管
8.
Non-linear Finite Element Analysis of Cold Drawing Internal Rifled Tubes Process;

冷拔内螺纹管成型过程的非线性有限元分析
9.
Application of New Type Small Copper Tube with Inner Screw in Air Conditioner Heat Exchanger;
新型小管径内螺纹铜管在空调换热器中的应用
10.
The Manufacturing Process for Core Thread of Bottle Cap Injection Mould

瓶盖注射模螺纹型芯的螺纹制造工艺
11.
Taper pins with internal thread

GB/T118-1986内螺纹圆锥销
12.
Parallel pins with internal thread

GB/T120-1986内螺纹圆柱销
13.
NPSI (American Standard Internal Straight Pipe Threads)

美国标准内直管螺纹
14.
inside screw lift check valve

内螺纹升降式止回阀
15.
reducing extension piece

异径内外螺纹管接头
16.
profile and thread rolling die

滚轧型材与螺纹模具
17.
long-reach plug

长螺纹(长型)火花塞
18.
Miniature screw threads-Profiles

GB/T15054.1-1994小螺纹牙型