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- Mammals, however, typically have only two cone pigments, one maximally sensitive in the violet and the other sensitive at long wavelengths. 但哺乳动物通常只有两种锥色素，一种对紫光最敏感，另一种则对长波长的光敏感。
- 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。
- Two problems in designing ball bearing of cone bit Ren Runan 牙轮钻头球轴承设计应考虑的两个问题
- The building is designed as two coned segments at two different heights and with two different radii.The cone segments together create a circle. 整个建筑的圆形体量由两个不同高度，不同半径的圆锥体块共同构成。
- 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 two systems of government are polar opposites. 这两种政体正好相反。
- The Application of CAD in the Design of Cone Bit CAD在牙轮钻头设计中的应用
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- Motion and Force Analysis of Cone Bit 牙轮钻头的运动和受力分析
- Graphics and mathematical analysis on intersection line of two cone 两圆锥相贯的形数分析
- Keywords cone bit;nozzel;vacuum diffusion bonding; 牙轮钻头;喷嘴;真空扩散焊接;
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- This paper analysed the intersection line of two cones base on analytical geometry and engineering graphics theoretics,put forward a method of drawing the special point on the intersection line. 运用平面解析几何及工程图学理论对两圆锥相贯进行了形数分析,给出了相贯线上特殊点(最右点或最左点)的作图方法。
- The meat marinated in the brine for two days. 这块肉在盐水里泡了两天。
- At that time he had two helpers. 当时他有两个助手。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
