Maintenance and service: Screw rod air compressor's maintenance main engine overhaul.
维修和服务：螺杆空气压缩机的维修，主要发动机大修。
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。
The QQ-88 super screw rod cleansing agent is one kind of macromolecular weight plastified material.
QQ-88超级螺杆清洗剂是一种高分子量的塑化物质。
The rear end of the limit screw rod is provided with a blocking head.
所述限位螺杆后端设有一阻头。
Pre-tight force of connecting rod screw;
考虑连杆螺钉的作用；
Wherein the screw comprises a screw head, a lug boss and a screw rod.
该螺丝包括一螺头、一凸台及一螺杆。
Objective To discuss clinical application of the new spinal anterior screw rod fixation system.
目的探讨应用一种新的脊椎前路钉棒系统进行脊柱前路手术的效果。
Ball screw rod imported from Germany can assure the high speed and precision.
德国滚珠丝杆精度高，精确高，速度快。
No severe complication, such as screw fracture, rod fracture or nerve injury, occurred.
全部患者术后随访未见断钉、断棒和神经损伤等严重并发症发生。
There are two types of restraint-screw rod type and frame plate type.
约束的形式有采用螺杆和门形钢板两种。
Completing, if the screw rod if too long, the spared part can be cut off.
完成，如果丝杆过长，可以切掉多出的部分。
The utility model relates to a driving device with a screw rod.
本实用新型涉及一种丝杠传动装置。
Japanese ball screw rod and round rail, original screw nut, imported linear and square rail.
日本产滚珠丝杠，原配螺母，进口直线方形导轨。
Results Operation time and bleed were obviously short and small in screw-rod systems.
术后钉-棒系统断棒、失代偿及假关节的发生明显低于前两组。
The power of moving the pipe section is transferred by a screw rod;
所述管节移动的动力是通过丝杆传递的；
The power of moving the pipe section is transferred by a screw rod;
所述管节移动的动力是通过丝杆传递的；
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