drill stem
英 [dril stem] 美 [drɪl stɛm]

释义

钻杆；

双语例句

1. The drill pipe that was broken has been found.
   断了的钻杆被找到了。
2. Drill pipe threads are not cleaned in that way.
   钻杆丝扣不是那样清洗的。

权威例句

Drill stem
Drill stem
Drill stem
Drill stem for deep drillings
Sm and Gd isotopic shifts of Apollo 16 and 17 drill stem samples and their implications for regolith history
Failure analysis of drill stem based on support vector machine and cluster analysis theory
Prediction of oil gravity prior to drill-stem testing in Monterey Formation Reservoirs, offshore California
Failure mechanism of drillstem in Huabei oil field and its coun-termeasures
New Developments in Drill Stem Rotary Shoulder Connections
Drill Stem Resistance Effects in Electric Telemetry Links
A GENERAL FORMULATION OF DRILL STEM MECHANICS AND ITS APPLICAIIONS [J]
Case History of Drillstem Failures Offshore West Africa
SYSTEM AND METHOD FOR DYNAMIC SEALING AROUND A DRILL STEM