1.
work string-casing annulus
工作管柱-套管环空
2.
casing-work-string annulus
套管-工作管柱环空
3.
workstring reciprocation
工作管柱上下往复运动
4.
weld-on centralizer
焊在工作管柱上的扶正片
5.
The Study on the Technology of Integration Operation That Combines the Oil Tube Feeding Perforation and the Capital String;
油管输送射孔与生产管柱联作工艺技术研究
6.
The crew is trying to bypass power, and weld additional support struts into stanchion three.
工作人员尝试不管电力 再多焊接三条支柱
7.
Analysis and Research on Behavior of Connections for Concrete-Filled Steel Tube Column to Beam Frames;
钢管混凝土框架梁柱连接工作性能的分析研究
8.
high-face room-and-pillar mining
高工作面房柱式开采
9.
Determination of aromatic hydrocarbons in workplace air by rapid capillary gas chromatography
毛细管柱气相色谱法快速测定工作场所空气中芳香烃类化合物
10.
(4) poor status of prop working and low security in working face.
(4) 支柱工作状况差，工作面安全性低。
11.
Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation.
QW50A气动卡瓦是油田修井作业时，安装在井口上用于卡紧油管及类似管柱的一种工具。
12.
Salvage technology of double sanding in string of well Ze 10-70X
泽10-70X井双层砂卡管柱打捞处理工艺
13.
Construction of 2-Column Type Tubular Steel Tower for 500 kV Lines
500kV输电线路两柱式钢管塔施工
14.
Performance of Concrete Filled Steel Tube Reinforced Concrete Columns Subjected to Cyclic Bending
循环弯曲作用下钢管混凝土柱的性能
15.
The Drawing System of Down-hole Tube String Based on the J2EE
基于J2EE平台的井下作业管柱绘制系统
16.
NC bed-type vertical miller
数控立柱移动工作台不升降铣床
17.
single-column vertical turning and boring mill with movable table
工作台移动单立柱式车床
18.
Letters from home were an anchor to him when he worked abroad.
他在国外工作时, 家书是他的精神支柱。