1.
Prolong Failure Cycle of API Round Thread Tubing by System Control
系统控制延长API圆螺纹油管的失效周期
2.
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。
3.
Comparison between API Thread Stand-off Measurement and Middle Diameter Measurement
API螺纹紧密距测量和中径测量的比较
4.
Numerical Analysis on Connection Performance of Non-API Big Omega Premium-Threaded Connection
非API标准Big Omega特殊螺纹接头连接性能数值分析
5.
Taper pipe threads with 60 degree
GB/T12716-199160°圆锥管螺纹
6.
Taper pins with internal thread
GB/T118-1986内螺纹圆锥销
7.
Parallel pins with internal thread
GB/T120-1986内螺纹圆柱销
8.
Side view of roundhead screw with adjustable thread length.
螺纹长度可调整的圆头螺钉的侧面图。
9.
Standard joint is a circular male and female configuration with a corrugated metal gasket.
标准连接是圆形外螺纹和内螺纹结构，配置波纹金属垫圈。
10.
55 inch thread tagential die for taper pipe
55°英制圆锥管螺纹切线平板牙
11.
Top view of roundhead slotted screw. Selection box represents thread diameter.
圆头一字槽螺钉的俯视图。选择框代表螺纹直径。
12.
The circular male and female bonnet joint is self-aligning and encapsulates the gasket.
圆形外螺纹和内螺纹阀盖连接是自行对准调整并且封装的垫圈。
13.
a threaded hexagonal or square-headed bolt with a nut; tightened with a wrench; used to connect metal parts.
一种带有螺母的六角形或圆头螺纹螺丝；用扳手拉紧；用于连接金属。
14.
a circular or whorled arrangement of flower parts such as those of petals or sepals.
"花的圆形或者螺纹状的排列,比如花瓣或者萼片."
15.
testing methods for screw precision of cylindrical machined graphite electrodes
人造石墨圆筒形电极的螺纹精密度测定方法
16.
Study on the Rigid Model & Visualization of Virtual Conical Thread Gauge;
虚拟圆锥螺纹量规刚性模型及其可视化的研究
17.
Based on NC Turning Screw Cone Programming Method
基于数控车削的圆锥螺纹编程方法研究
18.
A Bolt consists of a head and a cylindrical Body with screw threads along a portion of its length.
螺栓是一个带头部并在部分长度上有螺纹的圆柱体。