The mechanical device comprises a rotary drum and a driving mechanism for driving the rotary drum to rotate, wherein the rotary drum is internally provided with a spiral guide plate;
本发明包括一个转筒和带动转筒旋转的驱动机构，转筒内设有螺旋导板；
Completely rewritten and updated for the Fourth Edition, this Spiral (r) Manual remains the leading quick-reference guide to both medical and surgical intensive care.
完全重新编写和第四版更新，该螺旋(R)的手册仍然是领先的快速参考指南，医疗和外科重症监护。
The spiral flow in the horizontal pipe can generate the spiral flow to transport sediment according to the way of equipping the guide blade in the middle of the pipe.
前两种排沙方式已经广泛应用于工程实践中，平轴螺旋管流排沙是近年提出的一种节能、高效的输沙方式，目前还处于试验研究阶段。
Objective To discuss the value of Spiral CT in observing the longterm curative effect of percutaneous radiofrequency ablation under ultrasonic guide for hepatic tumor.
目的探讨螺旋CT在观察超声引导经皮穿刺射频消融治疗肝脏肿瘤的长期疗效的价值。
Objective: To evaluate the accuracy of cervical pedicle screw pilot holes placement by bilateral oblique X-ray films with the spiral wires as the guide pin.
目的：探讨螺旋形导针配合双侧斜位X线片判断颈椎椎弓根螺钉置入孔道准确性的可行性。
It made up for the difficult of diagnosis by spiral ct and three dimensional imaging reconstruction, which be helpful to guide treatment at the same time.
螺旋CT扫描及三维影像重建，可弥补诊断上的困难，同时也有利于指导治疗。
The described guide piece can be made into a spiral piece or plate piece with appropriate shape and size.
所述导引件可为具有适当的形状和尺寸的螺旋形或板形件。
The described guide piece can be made into a spiral piece or plate piece with appropriate shape and size.
所述导引件可为具有适当的形状和尺寸的螺旋形或板形件。
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