1.
slack adjuster worm plunger
减速调整器蜗杆柱塞
2.
bolting (screwing) machine (excl. hand tools)
杆柱（螺杆）安装机（手持工具除外）
3.
A Dynamics Study on Surface-driving Progressing Cavity Pump of Oil Production System;
地面驱动螺杆泵井抽油杆柱力学研究
4.
Dynamics Analysis and Numerical Simulation of Structures of Rod String for Cavity Pump System;
螺杆泵杆柱结构动力学分析及数值仿真
5.
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
6.
Prediction of Sucker Rod String Dynamic Characteristics and Computer Simulation Research for Rod Pumping System;
有杆抽油系统杆柱动特性的预测与计算机仿真
7.
Method of Rod Design of Screw Pump Gas Production
螺杆泵排水采气杆柱强度设计方法研究
8.
Stress Analysis of Sucker Rod and Application of Heavy-weight Rod in Directional Well
定向井抽油杆柱应力分析及加重杆的应用
9.
slack adjuster worm plunger spring
减速调整器蜗杆柱塞弹簧
10.
a tent, flag, telegraph, etc pole
帐篷支柱、 旗杆、 电线杆
11.
single-enveloping worm gear
圆柱[单头]蜗杆传动
12.
double-column screw type supercharge device
双柱丝杆式加压装置
13.
circular tooth and cylindrical worm reducer
圆弧齿圆柱蜗杆减速机
14.
base cylinder of involute helicoid worm
渐开线蜗杆基圆柱面
15.
Connections with waisted stud--Studs
GB/T13807.2-1992腰状杆螺柱连接副螺柱
16.
Exploration into replacement of steel masts by lateral web - stiffened pre - stressed concrete masts;
横腹杆式预应力混凝土支柱代替钢支柱的探讨
17.
Reinforcement Mechanism of Anchored Bolt for Coal Pillar and Analysis of Influence Factors of Pillar Strength
煤柱锚杆加固机理与煤柱强度影响因素分析
18.
A rail and the row of balusters or posts that support it, as along the front of a gallery.
栏杆横栏和一排栏杆或支撑柱，如沿长廊前部的栏杆