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- STUDY OF SIDE-CUTTING TEST OF ROLLER CONE BIT 牙轮钻头侧切试验研究
- Emulation research on dynamics of roller cone bit 牙轮钻头动力学特性仿真研究
- The Computer Simulation Model of Three Roller Cone Bit 三牙轮钻头的计算机仿真模型
- Keywords roller cone bit sliding bearing hard alloy boriding behavior; 牙轮钻头;滑动轴承;硬质合金;渗硼;性能;
- Analysis on Roller Cone Bit Bottom Hole Track Simulation Under Composite Drilling Conditions and Bit Improvement 复合钻井工况下牙轮钻头井底轨迹仿真分析及钻头改进
- roller cone bit 牙轮钻头
- Steel tooth roller cone bit 钢齿牙轮钻头
- Proper design of roller cone angle of smooth rolling is the key to obtaining a high accurate wall thickness. 斜轧穿孔机轧辊形状设计十分重要，其中辗轧锥角的正确设计是获得高精度壁厚的关键。
- The relationship model of cone bit drillability and PDC bit drillablity is created. 建立了牙轮钻头可钻性与PDC钻头可钻性的相互关系模型。
- The main failure patterns of the sliding bearing of a cone bit are gluing and abrasion. 牙轮钻头滑动轴承的主要失效形式是胶合和磨粒磨损。
- Thereby,cut and analysis tothe cutter and cutting face of cone bit will be needed,while the abrative waterjet cuttingmachine can yet be regarded as a desired cutting tool. 用磨料水射流切割牙轮钻头不失为一种理想的切割方法，它与传统切割方法相比，具有工效高、切口质量好等特点。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- She was a bit queer after her husband deserted her. 她遭丈夫遗弃後精神有点失常。
- Establishment of Lateral Vibration Dynamic Model of Roller Cone Rock Bit and Its Solution 牙轮钻头横向振动模型的建立及求解
- Method of Establishing Cone Bit Solid Model 牙轮钻头实体模型的建立方法
- The Application of CAD in the Design of Cone Bit CAD在牙轮钻头设计中的应用
- Motion and Force Analysis of Cone Bit 牙轮钻头的运动和受力分析
- Keywords cone bit;nozzel;vacuum diffusion bonding; 牙轮钻头;喷嘴;真空扩散焊接;
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- I reckon the girl is a little bit boyish. 这想这个女孩有点男孩子气。
