master screw

英 [ˈmɑːstə(r) skruː]

美 [ˈmæstər skruː]

标准螺旋

Master cylinder outlet fitting gasket "Cross recessed pan head screw, single coil spring lock washer and plain washer assemblies"
主缸出油接头垫密片“GB/T9074.4-1988十字槽盘头螺钉，弹簧垫圈和平垫圈组合件”
It is very difficult for the beginners to master the common methods of processing echelon screw thread because of the high difficulty in the process and the high request to the operators.
常见的梯形螺纹车削，由于车削加工难度较大，操作技能要求较高，因而使初学者学习起来较困难。
Conclusion: The CGWS should be a new, safety and reliable three dimension correction instrument for spinal surgery, the effect of restoring the spinal stability was obvious, however, in this operation, the operator must master skills of thorax spinal pedicle screw.
结论：CGWS是一种新型，安全可靠的脊柱三维矫形器械，其矫正效果优良，固定牢固，但必须熟悉胸椎椎弓根钉植入技术。
The kinematics of master manipulator and slave manipulator are analyzed by screw theory and the mapping relationship among the Cartesian space, joint space and motor-driven space is established.
利用旋量理论分析了主从操作臂的运动学，建立了部分丝传动的主动环节在笛卡尔空间、关节空间和电机驱动空间之间的映射关系。