Alternating current disinfecting hepatitis B virus on the surface of dental drill and handpiece: an experiment study.;
交流电消毒口腔科牙钻与弯机头乙肝病毒的实验研究
Application of NN in auger gyre control;
神经网络在牙轮钻回转控制中的应用
This paper analyses the main factors that influence the speed of drilling hole,puts forward the methods to settle the main working parameters of the rotary drill.
分析了影响牙轮钻机钻孔速度的主要因素,提出了钻机主要工作参数的确定方法。
Dynamic model of roller bit with nine degrees of freedom;
九自由度牙轮钻头动力学模型研究
Computer simulation for the side-cutting of roller bits;
牙轮钻头侧向切削的计算机仿真
Model to determine rock drillability by roller bit;
牙轮钻头可钻性级值的确定方法
The calculation of contact stress of rock bit floating ring journal bearing under disalignment;
不对正情况下牙轮钻头浮动套轴承接触应力计算
Application of computer simulating technology in rock bit floating-ring journal bearings;
仿真技术在牙轮钻头浮动套轴承设计中的应用
The coupling function analysis of the thread-locking ring of rock bit on axial load;
轴向载荷对牙轮钻头螺纹锁紧环联接性能影响的分析
A dentist drills a tooth to remove decayed material
牙医用牙钻钻牙以除去蛀蚀的部分。
I make a supreme effort and struggle out too .
我也一咬牙钻出了毛毯。
You are in the waiting room and this is the noise you hear through the door.
在牙科候诊室里听见牙钻磨牙的声音，让人痛苦不堪。
When I was a child, I was afraid of the dentist because of the big drill.
我小时候非常害怕牙医，因为牙医都有一把大牙钻。
A shaft on which a working tool is mounted, as in a dental drill.
心轴用于安装工具的蕊棒，如牙钻蕊棒
bridge of the bit
四牙轮钻头牙轮支架
The dentist drilled my tooth.
牙医在我牙上钻孔。
foot engine with electric motor
牙科脚踏电动二用钻机
engine ,drill, dental, with swivel arm
牙科钻机,带旋转杆
cone type roller bearing rock bit
滚柱轴承锥形牙轮钻头
Blast hole tricone rock bits
GB/T13343-1992矿用三牙轮钻头
insert rock bit
镶硬合金齿牙轮钻头
Did he drill your tooth?
他有没有钻你的牙齿？
4.14 Drilling with cone (drag) bit in the section.
此段地层采用牙轮（刮刀）钻头钻进。
Rotary drilling machine replacing downhole drill to accomplish controllable blasting of slope
牙轮钻取代边坡钻完成边帮控制爆破
Comparative analysis of drilling characteristics of dia- mond bits and roller bits
金刚石钻头与牙轮钻头钻井特点对比分析
The dentist drilled the bad bits out of a tooth
牙医把牙齿上蛀坏的部分钻掉。
a high speed drill that dentists use to cut into teeth.
牙医用来打进牙齿的高速钻机。