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- Teeth of drill bit 钻具牙柱
- 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。
- 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。
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- She had lots of drill in listening. 她在听力方面受过许多训练。
- He maintained his stand in the teeth of public opinion. 他不顾公众舆论的反对而坚持自己的立场。
- Action of drill bit in deep hole technical 钻头在深层搅拌技术中的作用
- The teeth of one wheel engage with those of the other. 一只轮子上的轮齿与另一只的相啮合。
- The new policy was adopted in the teeth of fierce criticism. 那项新政策尽管受到强烈抨击却硬是采用了。
- The teeth of one wheel engaged with those of the other. 一只轮子的齿与另一只轮子的齿相齿合。
- 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
- He didn't reveal the names of his comrades in the teeth of the enemy's threat. 不顾敌人的威胁，他没有说出同志们的名字。
- They were in fact in the very teeth of starvation. 他们实际上正面临挨饿的危险。
- 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。
- Sugar can decay the teeth of the children. 糖会蛀蚀孩子们的牙齿。
- The teeth of the saw were clogged with sawdust. 锯齿间塞满了锯末。
- AN APPROACH TO PREDICTION AND POST DRILL ANALYSIS OF DRILL BIT FOOTAGE 钻头进尺的预测与事后分析方法
- They are filing the teeth of a saw. 他们正在用锉子锉锯齿。
- 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。
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
