春雨，像牛毛，像花针，像细丝，密密地斜织着。

Spring, like hairs, like a flower pin, like filaments densely twill weave.

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春雨绵绵，像花针，如细丝，密密的斜织着。

The spring rain, like a flower pin, like filaments, thick oblique weave.

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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。

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.

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