1.
A finite element analysis of the self-sealed special hook-shaped thread of end-surface metal
端面金属自密封特殊钩形螺纹有限元分析
2.
The threaded connectors are more durable than standard" S" hooks.
螺纹连接器比标准的s形挂钩有更加坚固。
3.
Key Items and Effect Factors of Inspection and Acceptance for Premium Connection Tubing and Casing
特殊螺纹接头油 套管验收关键项目及影响因素
4.
A Threading Process for Negative-supporting-thread Premium Connection
一种负承载角特殊管接头的螺纹加工工艺
5.
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
6.
Technical Features and Application Analysis of Tubing/Casing with HUNTING Premium Thread Connections
汉廷特殊螺纹接头油套管的技术特点与应用分析
7.
Control of Heat Treatment Crack in Trimming Cut Zone of Chain Hook Screw Stamp Work
模锻件链钩螺杆切边带热处理裂纹的控制
8.
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
9.
special taper thread tap for gas cylinder
气瓶专用锥形螺纹丝锥
10.
Metric trapezoidal screw threads-Profile
GB/T5796.1-1986梯形螺纹牙型
11.
Assembly consists of thumb screw, hooks, swivel joint, and stem, threaded at one end.
这种总成由翼型螺丝、钩、转接头和杆子组成，在一端上有螺纹。
12.
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
13.
NC machining nut with large lead and 3-start rectangular thread
大导程三头矩形螺纹螺母的数控加工
14.
(2)adopting barb thread design to improve the tensile- and compression-strength and to prevent unscrewing of the casing;
②采用倒钩螺纹设计 ,提高了螺纹的抗拉和抗内外压能力 ,可防止套管倒扣松动 ;
15.
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。
16.
To identify by means of a distinctive mark or characteristic.
指纹鉴定以特殊的标记或特征来鉴别
17.
Study on specific agglutination to examine leptospirosis antibody
特异性凝集反应检查钩端螺旋体病抗体的研究
18.
Effects of Copper Stress on Physiological Characteristics of Leptospirillum ferriphilum
铜离子胁迫对嗜铁钩端螺旋菌生理特性的影响