Ball screw is dedicated to the turning of thread and setting, in the other surface is turning, light, not only its poles ball screw.
丝杠是专门用来车削各种螺纹而设置的，在进行工件的其他表面车削时，只用光杠，不用丝杠。
To adjust the setting of the valve, loosen locking cap screw with hex wrench, see Figure 3.
如果要调节阀门的设置，则利用六角扳手松开锁紧帽螺丝，参阅图3。
Torque setting precision, torsion of high precision, especially suitable for mobile phones, digital cameras contour precision screw assembly work of the product.
扭距设置精准，扭力精度高，特别适用于手机、数码相机等高精密产品的螺丝装配工作。
Based on these data, when applying locked plates in the clinical setting, more than 1 locked screw applied into the distal ulnar column of the articular segment is recommended.
根据这些资料，临床使用锁定钢板时，远端尺侧柱关节骨折块推荐使用1枚以上的锁定螺钉进行固定。
Width Setting: Width setting is controlled by servomotor with ball screw and guide rails to make accuracy movement.
切卷定位系统：使用伺服马达控制高精度滚珠螺杆进行尺寸定位及使用线性滑轨承载刀座。定位动作精确平顺。
This machine consists of cone double screw extruder, vacuum setting table, drawing machine, cutting machine, film sticking machine, material tumbling frame, etc.
该机组有锥形双螺杆挤出机、真空定型台、牵引机、切割机、贴膜机、翻料架等组成。
Conclusion: the improved screw-setting technique of the lumber-thoracic pedicle by the preoperative ct scanning is a good method, it can effectively descend the ratio of bad screw.
结论：术前ct扫描椎弓根引导胸腰椎椎弓根螺钉的置入是一个较好的改良方法，能有效降低不良置钉率。
Conclusion: the improved screw-setting technique of the lumber-thoracic pedicle by the preoperative ct scanning is a good method, it can effectively descend the ratio of bad screw.
结论：术前ct扫描椎弓根引导胸腰椎椎弓根螺钉的置入是一个较好的改良方法，能有效降低不良置钉率。
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