1.
large-size precision thread ring and plug gauge
大型精密螺纹环塞规
2.
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
3.
Study on Online Detection System of Conical Thread Based on Precision Image Processing;
基于精密图像处理的锥螺纹在线检测系统研究
4.
Research on Screw Joint for Precise Assembly of Miniature Parts
微小型零件精密装配中的螺纹副联接技术研究
5.
Pipe threads where pressure-tight joints are made on the threads
GB/T7306-1987用螺纹密封的管螺纹
6.
Pipe threads where pressure-tight joints are not made on the threads
GB/T7307-1987非螺纹密封的管螺纹
7.
Gauges for sealing tube threads
用螺纹密封的管螺纹量规
8.
Gauges for nonsealing tube threads
非螺纹密封的管螺纹量规
9.
Non-rotating stem with precision Acme threads and burnished finish. Double Acme for faster operation.
不旋转的阀杆具有精密的梯形螺纹和抛光光洁度。双梯形螺纹使得操作更加快速。
10.
United States standard dry seal thread
美国标准干密封螺纹
11.
Precision designed, threaded connections for pilots, flame control and peepsight locations are standard on all units.
精密设计，引火器螺纹连接，火焰控制，观火镜位置都是标准的。
12.
Influence of Various Errors on Measuring Values in Precision Over-wire Measurement of Archimedes Screw
阿基米德螺纹精密跨线测量的各种误差对测量值的影响
13.
Non-rotating Stem with precision Acme threads and burnished finish. Valve suitable for horizontal installation.
不旋转阀杆具有精密梯形螺纹和经过抛光的表面光泽度。
14.
A steel tool for cutting or finishing screw threads.
螺纹梳刀雕刻或精加工螺纹的钢制工具
15.
Design and manufacture of hight pressure seal thread socket with large ddameter and big pitch
大直径大螺距高压密封螺纹套管设计与制造
16.
unsintered polytetrafluoroethylene tapes for thread sealing
螺纹密封用结非烧聚四氟聚乙烯带
17.
NPSF (American Standard Straight Pipe ThreadsforPressure-tight Joints)
美国标准压密接头直管螺纹
18.
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