查询词典 screw-driven

Depending on the axis being spacelike, timelike or null, there are three types of screw motions, the third case, i.e., cubic screw motion, is most particular because it is not a rotation together with a translation along the null axis, but a rotation together with a translation along a null curve with non-zero curvature.

依据旋转轴的向量类型，三维Minkowski空间中的螺旋运动可分为三类，其中第三类螺旋运动，即三次螺旋运动，是最特殊的。

It can processing different kinds of decorative patters on the surface of hollow tubular(including circular tube and hexagon socke pipe) such as screw thread, screw thread crosswire, starry sky,ect. There are more than 30 kinds of patters.

特点：针对空心管表面花纹连续制作的最佳设备，能在管状物表面加工螺纹、螺纹交叉线、弄分点状花，满天星花等不同花纹款式，款式多达三十多种以上。

The screw of twin-screw plastic extruder is complex,its structure and parameters determine extrusion process.

双螺杆塑料挤出机中的螺杆较为复杂，螺杆的结构和参数对挤出过程起决定作用。

Company to introduce technologically advanced single-screw, twin-screw extrusion equipment, computer numerical control injection molding equipment.

公司引进技术先进的单螺杆、双螺杆挤出设备、电脑数控注塑设备。

Twin-screw extruder design should include twin-screw extruder, overall scheme of the types of extrusion system design, the design, the transmission system, the design of the system, heating and cooling system design, the design of control system, etc.

双螺杆挤出机设计应包括双螺杆挤出机类型的确定，整体方案的确定，挤压系统的设计，传动系统的设计，加料系统的设计，加热冷却系统的设计，控制系统的设计等。

The friction moment is an important usage function parameter of the ball screw unit, whose variation has effect on dynamic characteristic of ball screw unit.

摩擦力矩是滚珠丝杠副的重要性能参数，其变动量对滚珠丝杠副的动态性能有很大影响，因此对摩擦力矩的测量是滚珠丝杠副出厂检测的基本要求。

Copper-headed nails, pointed screw nails with slotted heads and unpointed screw nails

铁或钢制钉，不包括铜头钉，槽头端螺钉和非尖映螺钵

Methods 14 patients with cervical spinal unstableness were treated with transpedical screw fixation with a specific technique to place the screw.

运用个体化综合置钉法行颈椎弓根固定治疗颈椎不稳 14例，其中陈旧性寰枢椎不稳 7例，颈椎管狭窄 1例，骨折脱位 6例。

You just point , click and Wings will create a solid model of the wing nut , wing screw or thumb screw selected .

你刚才点，点击和翅膀，将创造一个坚实的模型机翼螺母，翼螺杆或拇指螺钉被选中。

You just point, click and Wings will create a solid model of the wing nut, wing screw or thumb screw selected.

你刚才点，单击和机翼将创建一个实体模型的机翼螺母，机翼拇指螺丝钉或选定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。