Pitch angle是什么意思

网络释义

用法例句

One method is using the curve of constant tool face angle to be suited to the well path control method of constant tool face angle widely used today in the world.

目前三维定向井存在着设计井眼轨迹曲线与实钻扭方位方式相互脱节的问题,解决该问题的方法有:一是针对目前的恒装置角扭方位方式,将恒装置角曲线作为三维定向井轨迹设计曲线;二是针对目前现有的轨迹设计曲线(斜面圆弧、圆柱螺旋和自然参数曲线),开发新的MWD显示技术,以便显示可表征这些曲线特征的参数。

Study on time/pressure test equipment;

时间/压力试验装置的研究

A equipment for rapid detecting human nuclide aerosol concentration in high radon;

高氡背景下人工核素气溶胶快速监测装置

Improvement and status of active carbon fiber basket equipment for solvent recovery;

笼式活性炭纤维溶剂回收装置现状与进展

To advance the industrialization of the apparatus of dispose of sewage of cities and towns;

促进城镇生活污水处理装置产业化

Efficiency of Self-made Apparatus for Cleaning Medical Pipeline;

自制医用管道清洗装置的清洗效果观察

Corrosion analysis and anticorrosion measures for catalytic reforming and diesel hydrogenated units;

催化重整和柴油加氢装置的腐蚀分析及其防腐措施

Start-up summary and running analysis of 1.2 Mt/a diesel hydrofining unit of Lanzhou Petrochemical Company;

兰州石化1.2Mt/a柴油加氢装置开车及运行分析

The development and application of heating unit of electric machinery;

电动机加热装置的研制与应用