1.
Study on dynamic simulation research of single drill pipe based on finite element method
基于有限元法的单根钻杆动力学仿真模拟分析
2.
stacking capacity of derrick
井架的钻杆立根容量
3.
Contamination of Drilling Fluid by Carbonate Ion and Bicarbonate Ion and Its Treatment
碳酸根和碳酸氢根离子对钻井液的污染及处理
4.
digs in moist soil and feeds on plant roots.
在潮湿的泥土中钻洞，吃植物的根部。
5.
the total absence of fishing boats around the oil rigs.
钻井平台周围根本没有捕鱼船只。
6.
The hole was lined with a steel tube to prevent the walls from falling in.
用一根钢管给钻孔加衬，以防井壁坍塌。
7.
Analysis of Chinese Auto Industry by Diamond System;
根据“钻石体系”对我国汽车产业的分析
8.
Experimental Study on Flood Energy Dissipation and Erosion Control of Zuan'gen Water Control Project
钻根水利枢纽工程消能防冲试验研究
9.
Methods: The root canal with root canal orifice burs and helical drilling bits were prepared in advance.
方法：采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管。
10.
In each casing will be a flight auger or corkscrew-like instrument which will draw back the material.
在每根套管中有一个像开塞钻的飞行螺钻，它将把物质吸出来。
11.
Increase mud weight and adjust as required as hole conditions dictate.
根据井眼情况，按要求提高钻井液密度或处理钻井液。
12.
According to the drillpipe structural characteristics, a dolly appropriate for drillpipe and Kelly detection is designed, of which its probe is adjustable.
根据钻杆的结构特点,设计了探头距离可调的适用于圆钻杆和方钻杆的探测小车。
13.
he looked around for the right size bit.
他四周搜寻了一遍想找一根合适尺寸的钻头。
14.
Development of the software on the diamond bit type selection according to formation rock property
根据地层岩性进行金刚石钻头选型的软件开发
15.
In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.
除快速接单根外，还可用在打捞作业，找寻方向或需要慢转的钻井工具上，以及钻大小鼠洞用。
16.
A. Position the bores according to the product. Drill φ 6 bores respectively with impact driller, after the center line for bolt bore is drawn in the appropriate position on the wall.
根据产品安装孔位，在墙面相应位置画出螺钉孔中心线后，用冲击钻分别钻φ6孔。
17.
Stock stout, forming an erect trunk sometimes up to 1 m tall, apex densely covered with subulate shining brown scales.
根状茎粗短，直立，高可达1米，顶端密被棕褐色、具光泽的钻形鳞片。
18.
My wife is asking for pin money, and the pin she want have eight diamond in it.
内子跟我要针线钱（零用钱），而她想买的那根针是镶有八粒钻石的呢。