The screw and machine barrel with optimization design and elaboration have excellent plasticizing effect.
优化设计和精心制作的螺杆、机筒有极好的塑化效果。
Correct effect plane and sagittal plane were obviously better in screw - rod systems.
结论全椎弓根螺钉系统具有良好的三维矫正控制力，矫正效果良好，并发症少。
At present is studying has about the screw type compressor's energy conservation effect.
目前正在研究有关于螺旋式压缩机的节能效果。
Objective To investigate the method and the effect of absorbent screw on ankle joint fracture.
目的探讨可吸收螺钉治疗踝关节骨折方法及疗效。
The expansion screw has simple structure and excellent expansion effect, and is easy to use.
这种膨胀螺丝结构简单且膨胀效果好，使用方便。
The expansion screw has simple structure and excellent expansion effect, and is easy to use.
这种膨胀螺丝结构简单且膨胀效果好，使用方便。
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