| 释义 |
drill bit drilbit 短语⁴⁹³⁰⁶
基本英英近义反义例句例句
钻头
Noun:
a bit used in drilling for oil近义词 drilling bit钻头
Drilling is cutting a hole with a drill.钻削就是用钻头钻一个孔。
Run subsea TV to observe bit entering the TGB.下水下电视观察钻头是否进入导向基板。 The author proposes taking the comprehensive load curve of the screw drill- drill bit- oil well system as the basis for the proper selection and use of screw drills.
提出了以螺杆钻具钻头油井系统的综合负载特性曲线作为螺杆钻具正确选择和使用的依据。 cnki
A positive displacement drilling motor that uses hydraulic horsepower of the drilling fluid to drive the drill bit. Mud motors are used extensively in directional drilling operations.
使用钻井液的水马力来驱动钻头旋转的一种正排量钻井马达称之为泥浆马达。泥浆马达广泛地用于定向钻井作业中。 www.infopetro.com.cn |