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- main shaft of drill bit 钻头主轴
- The hollow stemlike main shaft of a feather. 翎管羽毛的中空的茎状羽干
- The opposite direction airflow in Eastern Main Shaft of Certain Mine is caused by the main fan stoping work to undergo repair. 某矿东主井因停产检修、主扇停运引起了主井风流反向。
- This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different. 分析了工件材料、形状不同时,钻尖顶角的大小对麻花钻切削性能及寿命的影响,介绍了麻花钻的钻尖顶角的选择。
- What this company produces is efficient vertical machining center, have exceed main shaft of type of puissant belt-conveyor sleeve, reach the rigid function that attack a tooth. 该公司生产的高效率立式加工中心，具有超强力皮带传动套筒式主轴，及刚性攻牙性能。
- The dynamic pressure of drill bit,etc. ,has been measured and analysed in test drill rig by using pressure transducer dynamic strain analyzer,charge amplifier and CRAS random signal and vibration analysis system. 本文在试验台架上安装压力传感器、利用动态应变仪、电荷放大器以及 CRAS随机信号和振动分析系统进行了钻头动态压力测试和分析。
- In a fractal-like reflection of the branched rachis and barbs, the barbs themselves are also branched: a series of paired filaments called barbules are fused to the main shaft of the barb, the ramus. 羽枝本身也有分支，就像是碎形般重复羽轴与羽枝的分支型态，由一系列称为羽小枝的成对细丝融接到羽枝的主枝上。
- The hoisting device serving the main shaft of Yinying Mine is not able to meet the need of production,so it is necessary to make reform for the main belt conveying equipment of the hoisting. 荫营煤矿主井提升设备不能满足生产要求，因此对设备的主胶带输送装置进行改造。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- Action of drill bit in deep hole technical 钻头在深层搅拌技术中的作用
- Flexibility, as in the shaft of a golf club. 弹性，韧性柔韧性，易变性，如高尔夫球棒的柄
- Keywords ANSYS;main shaft of hoister;torque;stress; 提升机主轴;扭矩;应力;
- The mechanism and process of broken fatiguedly main shafts of all cone crushers should be analyzed with the help of dynamics and fracture mechanics. 运用动力学和断裂力学方法，分析圆锥破碎机主轴疲劳折断的机理过程。
- Design and application of drill bit used in super abrasion strata 用于超研磨性地层钻头的设计与实践
- The spirally threaded shaft of a worm gear. 螺纹蜗轮的刻有螺旋线的柄
- Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area. 由于几何光学法求解钻头震源波动方程的高频近似解有局限性,即在焦散区失效,故只能计算非焦散区的高频近似解。
- It was a kind of drill, we did it almost daily. 那是一个练习,我们差不多天天都做。
- A writing pen made from the shaft of a feather. 羽毛笔一种由羽毛的羽干制成的书写笔
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
