reverse speed

Based on the well structure size and the drilling parameters, the characteristic of drill pipe reverse rotation, the calculating formula of the reverse rotation speed and its bending frequency was analyzed in detail.

根据塔里木油田井身结构尺寸、钻井参数，详细地分析了塔里木油田钻杆反转转速、弯曲频率和其环隙比与反转运动的关系。

The temperature wave and pressure wave may travel with different speed and their direction of movement may even reverse.

温度波和高度波的移速可以不同，甚至方向可以相反；

The machine has forward and reverse rotation speed Promise.

本机拥有正向、反向无极调速旋转。

Determination of Speed Ratio of Epicyclic Train by Method of the Reverse Rotational Speed Vector

论利用反转速矢量法求解周转轮系传动比

On the purpose of improving efficiency of continuously variable transmission with reflux power, efficiency of previous system under low gear and reverse gear have been analyzed to optimize its structure based on analysis of speed modulation characteristic and transmission efficiency of transmission system.

在回流式无级自动变速传动系统调速特性和传动效率分析的基础上，以提高效率为出发点，通过对原有系统低速档、倒档工况下的效率分析，并对原有结构进行了优化。

This manoeuvring system through the rear of the car around two back to control the speed and reverse and rotational speed, thus to complete materials and mixing action.

该操纵系统通过汽车尾部的左右两个操纵杆来控制搅拌筒的正、反转和转速，从而来完成进出料以及搅拌动作。

A Collision Avoidance System for Automatic Withdrawal Lathe Tool An auto& reverse toolpost for high speed cutting triangular thread is introduced.

介绍了一种高速切削三角螺纹的自动退刀装置。

Adjust the location of reversal reverse speed can be changed.

调整反转的位置可以改变反转速度。

Therefore, how to reverse the economic development speed slow decline in hebei province, narrow regional economic differences has become urgent need of research.

因此，如何扭转河北省经济发展速度缓慢颓势，缩小区域经济差异已经成为迫切需要研究的课题。

Constant mesh, two stage transmission, 4-speed Gearshift, reverse gear.

常啮合两级传动四档变速，带倒档。

A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.

基于H型双极模式PWM控制原理，设计了一种直流微电机正反转调速功率放大电路。

Under the certain drill pipe rotation speed, the reverse rotation speed of the drill pipe is related to the annulus gap ratio.

在钻杆自转转速一定时，钻杆的反转转速与环隙比值β有关。

So instead of controlling one arm of the reverse speed, Q1 and Q2 will put a short across the motor to stop it spinning very quickly.

所以，而非控制一只手臂的反向速度，第一季度和第二季度将在短期内全国汽车停止纺纱非常快。

Using DSP, the PWM signal, signal acquisition, reverse control and speed control are achieved successfully.

利用DSP成功实现了输出PWM信号、信号采集、换向控制、转速控制等功能。

All the conditions of using interlocking Kelly bar, they must reverse in low speed to lift drill.

使用螺旋钻头钻孔时，提钻过程动力头要低速反转。

Adjust the location of reverse speed can be changed.

调整反转的位置可以改变反转速度.