1.
Analysis and Implementation of Maintenance of the Broken Screw in Marine Diesel Engine Cylinder
船舶柴油机汽缸体断头螺杆的维修工艺分析与实施
2.
Cause Analyses of Pin Joint Fracture of 139.7 mm Heavy Weight Drill Pipe
139.7mm加重钻杆外螺纹接头断裂原因分析
3.
Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B
GB/T31.2-1988六角头螺杆带孔螺栓细杆B级
4.
double-purpose interchangeable tip square blade screwdriver
可换头方杆两用螺丝刀
5.
double pin sucker rod
两头阳螺纹的抽油杆
6.
" Bolts, small hexagon head with fit neck and hole through the shank"
GB/T24-1976小六角头螺杆带孔导颈螺栓
7.
" Bolts, small hexagon head with hole through the shank"
GB/T23-1976小六角头螺杆带孔螺栓
8.
Hexagon bolts with split pin hole on shank--Product grade A and B
GB/T31.1-1988六角头螺杆带孔螺栓A和B级
9.
Hexagon bolts with wire holes on head--Reduced shank--Product grade B
GB/T32.2-1988六角头头部带孔螺栓细杆B级
10.
Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B
GB/T31.3-1988六角头螺杆带孔螺栓细牙A和B级
11.
Hexagon fit bolts with Split pin hole on shank--Product grade A and B
Gb/T28-1988六角头螺杆带孔铰制孔用螺栓A和bb>级b>
12.
Study on the Working Condition Diagnosis of Screw Pump Well and Optimization and Design Method of Sucker Rod String;
螺杆泵井工况诊断及杆柱优化设计方法研究
13.
Study on Fault Diagnosis Technology about Chilly Water Set of Single Screw;
单螺杆冷水机组故障诊断技术的研究
14.
Fracture Analysis of 38CrMoAl Steel Extruding Screw Rod of Injection Modeling Machine
38CrMoAl钢制注塑机挤出螺杆断裂分析
15.
Fracture Analysis and Repairing of Extruder for Wood-Plastic Composites
木塑挤出机螺杆断裂原因分析及修复
16.
Threads on rotary shouldered connections for petroleum industry
GB/T9253.1-1999石油钻杆接头螺纹
17.
Petroleum equipment--Thread gages for rotary shouldered connections
GB/T4749-1993石油钻杆接头螺纹量规
18.
Hexagon head bolts-Reduced shank-Product grade B
GB/T5784-1986六角头螺栓--细杆B级