The BHA transmits its torsional vibration to the gear system of drill power pack and brings about nonlinear vibration.
钻柱将其扭转振动传至钻机动力头，引起动力头齿轮传动系统的非线性振动。
Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.
堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。
It was observed from examples that eccentricity of drill string had major effect on the axial flow rate of Power-law screw fluid when the other parameters were invariant.
从算例可以发现：在其它参数不变的情况下，钻柱的偏心对幂律流体螺旋流轴向流量的影响非常大。
We are specialized in exporting power tools, hand tools, drill bits, car tools, garden tools, etc.
我司专业出口电动，手动工具，钻头组，汽车及园林工具等。
It can increase the hole inclination Angle range and drill elevation Angle holes, while setting the top drive power head and hole top plate toward the opposite direction.
动力头及孔口板调转方向，可直接钻凿仰孔，大大增加钻孔倾角范围。
Power Tongs and Torque Turns Load Cells: Designed for use in power tongs or drill pipe make-up and break-out applications.
动力钳和自动旋紧管箍机的载荷压力传感器：设计用在动力钳或钻杆的组装和拆卸应用中。
But hes trying to power it, or motorize it, with a drill. (Laughter) And the question he had is, "Can I do it?"
但是他尝试著赋予它力量，或者说使它机动化，通过一个电钻(笑声)他的疑问是，“我真的能这样做吗？”
The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.
蒲石河抽水蓄能电站引水系统中的竖井开挖，拟采用反井钻机进行导井开挖，人工手风钻钻孔扩挖的方式施工。
The helical flow of power-law drilling muds in the drill string was studied both theoretically and experimentally.
本文从理论和实验方面研究了石油钻井泥浆常用的幂律液体在钻柱中的螺旋流动规律。
This geological engineering gadding car uses dual power drive, the power of the vehicle and the power for the special device of the drill work separately.
本地质工程钻机车采用双动力驱动，汽车动力与钻机专用装置动力分离工作。
It is used to drill heavy duty pretension anchor holes at side slope of water power station, railway or highway projects, as well as drainage holes.
适用于水电站铁路公路边坡大吨位预应力锚固孔排水孔的施工，以及预防滑坡岩石坍塌等地质灾害治理工程。
Besides, we bought a power mortise chisel and an electric drill of the latest model as well.
另外我们还买了一架电动榫凿和一个最新式的电钻。
The drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80J.
应用钻杆失效评估技术研究表明，横向材料冲击功大于80J将避免钻杆内螺纹接头纵向脆性开裂失效。
The paper mainly introduces the design method of power supply and earth-leakage circuit for the electric-coal-drill integrated unit.
本文主要介绍煤电钻综合装置电源与漏电保护电路的设计方法。
Main body is separated from power pack, which will lighten the drill body, equipped with wheeled structure, easy moving.
主机与动力站分离，减轻了主机重量，且采用轮式装载结构，搬运方便。
Making use of permanent magnetic material as the vibration power, a permanent magnetic vibrating drill machine is developed, which is simple in structure, convenient in operation and low in price.
研制了一种永磁振动钻床，采用永磁材料作为振源，其结构简单，操作方便，价格低廉。
Know how to use power tools. There are few things more empowering than being able to drill a hole in a wall and hang up pictures on your own.
有些活计就是要你靠力气去解决的，这比在墙上钉钉子然后挂上画要更花力气。
One great-torque motor with proper power is made to match with the rotary churn unit in pneumatic drill to form the electric pneumatic drill as one kind of powerful electrically driven tool.
将适当功率的大扭矩特种电动机与气动风炮上的旋转式冲击装置相匹配而产生出的一种有着强冲击扭力的电动工具――电动风炮。
In this area, we typically drill to two or three kilometres depth to harness the steam to run the power plant and produce clean renewable electricity.
在这个区域，我们一般的钻孔深度为2-3千米，利用蒸汽经营电站，制造可再生清洁电力。
The electric drill with small power or a high rotating speed increases torsion or reduces the rotating speed by being provided with a speed reducer in order to increase dredging effects.
对功率小或转速高的电钻通过设置减速器来增大扭力或降低转速，以提高疏通效果。
Power Tools: Screwdriver, Drill, Air Compressor.
电动工具：电动螺丝批，电钻，气体压缩机。
There are many factors affecting the characteristics of the suction-type metering device for precision drill. The important one is the vacuum degree or suction power of the vacuum chamber.
影响气吸式排种器排种性能的因素很多，而决定吸力的吸室真空度是很重要的因素。
Application: Main shaft of machine tool, auto steering structure, main shaft of lathe, grinder, milling machine, drill press, water power dynamotor, tower crane, screw shaft and so on.
应用领域：车床，磨床，轧机，钻压机，水力发电机，塔吊，螺杆轴的主轴，汽车转向装置等。
Application: Main shaft of machine tool, auto steering structure, main shaft of lathe, grinder, milling machine, drill press, water power dynamotor, tower crane, screw shaft and so on.
应用领域：车床，磨床，轧机，钻压机，水力发电机，塔吊，螺杆轴的主轴，汽车转向装置等。
应用推荐