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- Indirectly measuring structural parameters of three cone bit 三牙轮钻头结构参数的间接测量
- MICROSTRUCTURE ANALYSIS OF SURFACING WELDING LAYER OF CEMENTED CARBIDE ON THREE CONE BIT 三牙轮钻头硬质合金堆焊层微观组织分析
- An Integrated Data Management Platform for Design and Manufacturing Process of Three Cone Bit 三牙轮钻头设计制造过程的集成数据管理平台
- three cone bit 三牙轮钻头
- 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。
- This primate lineage thus differs from that of other mammals in having three cone pigments instead of two and trichromatic color vision. 因此，这支灵长类族系就与其他的哺乳动物不同，拥有三种（而非两种）锥色素以及三色色觉（trichromaticcolorvision）。
- 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。
- The Computer Simulation Model of Three Roller Cone Bit 三牙轮钻头的计算机仿真模型
- STUDY OF SIDE-CUTTING TEST OF ROLLER CONE BIT 牙轮钻头侧切试验研究
- Method of Establishing Cone Bit Solid Model 牙轮钻头实体模型的建立方法
- Emulation research on dynamics of roller cone bit 牙轮钻头动力学特性仿真研究
- 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
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Keywords cone bit;nozzel;vacuum diffusion bonding; 牙轮钻头;喷嘴;真空扩散焊接;
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- It's a bit much ringing me up at three o'clock in the morning. 凌晨三点钟就打电话来，太不像话了。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
