Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.
钻孔使用配套冲击电钻。钻孔时，孔洞间距与孔洞深度应满足设计要求。
It has been proven through experiment that the control system can meet the requirements of impact drill-in conditions to implement automatic impact drill-in.
通过试验，证明该控制系统能够满足冲击钻进工况的要求，实现自动冲击钻进。
The fundamental principle hardware configuration and software design of a microcomputerbased automatic control system for winch type impact drill rig is described.
本文介绍了卷扬式冲击钻机微机自动控制系统的基本原理、硬件的组成和软件的设计。
Enhanced impact analysis within database applications with the ability to drill down into the SQL execution for "where used" analysis.
能够下钻到SQL执行以对“使用的位置”进行分析，增强了数据库应用程序内部的影响分析。
The 12 meter high tower is located on the edge of a small rocky outcrop, siting on simple anchor points drill directly into the bedrock to minimise the buildings impact on the natural environment.
12米高的塔坐落在岩石的边缘，为了减轻对自然环境的影响，地基采用在岩石上设立简单的锚固点的方式。
The relation between amplitude and vibration drilling mechanism and the impact of amplitude upon the life of drill with vibration drilling are described.
论述了振幅与振动钻削机理之间的关系以及对振动钻削钻头寿命的影响。
The effect of different steelmaking processes on mechanical properties of steel, especially on impact toughness of steel for drill color has been studied.
研究了冶炼工艺对钢力学性能的影响，特别是对钻铤用钢冲击性能的影响。
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impact loading alone.
钻进松软、非固结，通常是浅地层时，通过仅仅依靠液力冲击载荷去冲蚀破碎钻头下的岩石。
Wheel is a new diamond drill bit for oil drilling tools, drill bit bearing life with their life impact of crucial importance.
轮式金刚石钻头是一种新型的石油钻探工具，钻头轴承的寿命对其使用寿命有着致关重要的影响。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
Numerical method is proposed for general mechanical impact systems by means of characteristic line theory . Simulation results of hydraulic rock drill are provided .
应用特征线方法，提出了一般冲击机械的波动力学数值计算方法，给出了一液压凿岩机械的数值模拟结果。
Faced with this situation, we need to improve the situation of large consumption caused by a large generator, the problems that impact the life of DC electric drill collecting ring are discussed.
面对此情况，我们必须对直流电动钻机由无功功率大而引起的发电机功率消耗大的现状加以改进。对影响直流电动钻机集电环使用寿命的问题进行了探讨。
Test results show that such steel can be mass produced with technology of a large converter plus the secondary refining, which can insure drill pipes for the transverse impact toughness.
试验表明，采用合适的冶炼工艺，大型转炉加炉外精炼能够批量生产超低硫低磷钻杆用钢，使钻杆获得高横向冲击韧性。
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。
Production of electrical tools, such as electric drills impact, Angle Angle grinder, saw, electric drill and curves.
生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
Production of electrical tools, such as electric drills impact, angle angle grinder, saw, electric drill and curves.
那是一个气（电）动砂轮机（手持砂轮机、角型砂轮、直型砂轮、钻机、冲击扳手、铆钉锤、锤钻机）。
The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.
液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。
This avoids the carbide drill bits from breaking off the blades at impact.
这样就避免了硬质合金钻头在接触钻孔表面时受撞击而损毁刀锋。
This is something we have to really drill down on in terms of where the money is coming from, and what its impact is on the markets.
我们必须切实查清这些资金来源于何处以及对市场有何影响。
This is something we have to really drill down on in terms of where the money is coming from, and what its impact is on the markets.
我们必须切实查清这些资金来源于何处以及对市场有何影响。
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