A mechanical device for cutting; usually with a revolving blade.

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。

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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。

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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。

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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。

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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。

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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。

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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。

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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。

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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

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The machine has forward and reverse rotation speed Promise.

本机拥有正向、反向无极调速旋转。

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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。

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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。

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While the numbers of such developments are relatively small, the potential market is large

尽管这种增长的数量相对较小，但是潜在的市场是巨大的。

柯林斯高阶英汉双解学习词典

He believes this to be a relatively small problem.

他认为这相对而言是一个小问题。

柯林斯高阶英汉双解学习词典

Network consumption has broken through the traditional economic theory limit in relatively great degree, therefore, it is necessary to call for the theory of network consumption in the meanwhile.

网络消费的这些特点已经在相当程度上突破了传统经济理论的界域，同时也呼唤着网络消费理论的出现。

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The application of ARIMA model in wholesale retail trade and catering services

ARIMA模型在批发和零售贸易餐饮业预测中的应用

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Diversified demands of the consumers and the sales change in the retail trade

消费者多样化的需求与零售业的营销变革团结圈活动之变革

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The way out for retail trade of medium-sized cities in post WTO era

后WTO时代中等城市零售商业的出路

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Data Mining in The Retail Trade

零售业中的数据挖掘

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Competition from across the border is eating away at local retail trade.

深圳零售业带来的竞争大大抢走了本地零售业的生意。

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