1.
basic crest truncation
基准螺纹牙顶切除高度
2.
minimum number of pipe threads for connections
管螺纹连接的最少螺纹牙数
3.
55 inch thread flat tangential die
55°英制螺纹切线平板牙
4.
Miniature screw threads-Profiles
GB/T15054.1-1994小螺纹牙型
5.
Metric trapezoidal screw threads-Profile
GB/T5796.1-1986梯形螺纹牙型
6.
all screw threads are according to aNSI B-1.1 coarse thread.
所有螺栓的螺纹都符合aNSI B-1.1粗牙螺纹标准。
7.
Hexagon head bolts-Fine pitch thread-Full thread-Product grades A and B
GB/T5786-1986六角头螺栓--细牙--全螺纹--A和B级
8.
Screw thread shanks for thread forming screw--Metric coarse thread series
GB/T6559-1986自攻锁紧螺钉的螺杆粗牙普通螺纹系列
9.
55 inch thread tagential die for taper pipe
55°英制圆锥管螺纹切线平板牙
10.
left hand thread
左螺纹，倒牙（逆时针方向旋进）
11.
Buttress threads with 3 and 30 degrees flank angle-Profiles
GB/T13576.1-1992锯齿形(3°、30°)螺纹牙型
12.
General purpose screw threads--Basic concepts and symbols for tooth shapes and tolerance zone
GB/T192-1981普通螺纹基本牙型
13.
Spiral and decreasing sharply in diameter from base to apex.Used especially of shells.
陀螺形的螺旋形的螺纹从基部到顶端逐步递减的，尤其用于贝壳
14.
Length insufficience of reinforced bar tooth and settlement method
螺纹钢牙筋长度不足的原因及解决办法
15.
A study of the surface crack at thread root of tool joint pins by the aid of finite element method.
石油钻杆公接头螺纹牙根部表面裂纹有限元计算
16.
Mechanical properties of fasteners--Thread forming screws--Metric coarse thread series
GB/T3098.7-1986紧固件机械性能自攻锁紧螺钉粗牙普通螺纹系列
17.
The Clinical Effection Evaluation Of Applying CDIC conical Spiral Implant In The Humble Knifing-posterior Of The Mandibular
CDIC锥状螺纹种植体在下后牙区菲薄型牙槽骨的临床应用评价
18.
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