双三角钻臂属于直接定位钻臂，在工作区间可将钎头直接移位到目标位置。
Double triangle boom is a kind of directly positioning mechanism, it can remove the drill rod to a target position directly in its operating range.
双三角钻臂具有结构紧凑、运行平稳、凿岩无盲区等优点，被凿岩机器人所采用。
With the advantage of compact structure, stable motion and no blind rock drilling area, double triangle boom is used in rocking drilling robot.
采用两种不同螺旋角钻具对粘土进行输土实验，对比阻力结果证明了理论的正确性。
When rotation speed is low, factors effecting soil delivering resistance are the soil volume carried by the vane and the spiral angle of drill.
佳士得拍卖行将展示一枚由珍稀三角蓝钻与白钻搭配的特色双宝石金指环。
The auction house, Christie's will soon be offering a two-stone ring featuring an extremely rare triangular-shaped blue diamond paired with a white diamond on a gold band.
印度的印度羚羊长有圈状角，看起来像别致的大瓶塞钻。印度羚羊可以在黑夜中优雅地跳跃。它们通常是中等个儿的羚羊。
The blackbuck of India has ringed horns that look like giant, fancy corkscrews. Blackbucks can leap very gracefully through the night. Usually they are medium-sized antelopes.
锥钻，打眼钉钻头倾斜的钻子，用于在木头上钻孔以钉角钉或螺钉。
An awl with a beveled tip, used to make holes in wood for brads or screws.
研究了锥面麻花钻后刀面的成型，建立了钻尖的数学模型，由此确定了后角的计算公式。
The forming of flank of conical twist drill was studied and mathematical model of twist drill tine was founded in order to get formula of back clearance.
公司生产的产品有：“冀达”牌六角螺栓、10.9级钢结构螺栓、地脚螺栓、焊钉、钻尾钉、拉铆钉、膨胀螺栓。
Our products are: "Ji Da "brand hexagon bolt, 10.9 steel bolts, anchor bolts, weld screws, drilling screws, rivet, bolt.
针对该钻型的特点，提出用钻尖主刃的外缘和横刃转点处的锋角作为其设计参数值。
Point angles at outer corner and chisel edge corner are proposed to be used as the drill design parameters to determine the type uniquely and the relief Angle is used as a supplement parameter.
同时改变钻具接头的螺纹参数，研究螺距、锥度、牙型角的改变对其应力分布的影响，为钻具接头的生产加工提供参考。
Meanwhile, we change the thread parameters, study the stress distribution caused by changing the pitch, taper and thread Angle, this work can provide a reference for manufacture.
在此基础上，对较优的钻型初选了顶角和后角对钻头寿命的影响进行了试验，结果表明，顶角对寿命的影响显著。
In this test, the drills life is also enaged in. The result showed that the top Angle of drill is influenced remarkably for the drill life.
该模型包括了钻头以及钻削操作的重要特性，即钻头的截面几何特征、螺旋角、转速和钻削过程中产生的切削力。
The model includes of important characteristics of drill bit and drilling operation, i. e. sectional geometrical property of drill, spiral Angle, speed and cutting force created during drilling.
主要生产和销售六角头螺栓、六角法兰面螺栓、双头螺栓、马车螺栓、组合螺钉、钻尾螺丝、全牙丝杆。
Produce and sell six head bolt, bolt, pairs of head bolt, carriage bolt the six flange, make screw up, get into tail screw, the whole tooth silk pole mainly.
刀刃工具类：埃令螺丝(吊环)、圆车刀、六角匙、丝攻、铣刀、钻咀等。
Blade tools: eyebolt, turning tool, Allen key, screw tap, milling cutter, drill bits, etc.
随钻电阻率曲线随着井斜角度增大会出现“极化角”，低阻侵入会使“极化角”弱化；
The polarization angels appear in the resistivity curve with the increase of deviation angle and the polarization angles will be weakened with the low-invasion.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
我公司主导产品为钻尾螺丝系列(六角华司头、盘头、钮扣头、喇叭头、六角法兰头、小仔头等)，同时也生产干壁钉、纤维板钉和自攻钉等自攻类螺丝。
Our company is main products are series of drilling screws, and mean-while we also have sub production line for Drywall screw, Chipboard screw, and Tapping etc.
我公司主导产品为钻尾螺丝系列(六角华司头、盘头、钮扣头、喇叭头、六角法兰头、小仔头等)，同时也生产干壁钉、纤维板钉和自攻钉等自攻类螺丝。
Our company is main products are series of drilling screws, and mean-while we also have sub production line for Drywall screw, Chipboard screw, and Tapping etc.
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