联轴器是一种联接两根相邻轴末端的装置。
A coupling is a device for connecting the ends of adjacent shafts.
机械构件中，联轴器可以用来实现相邻两根旋转轴的半永久性联接。
In machine construction, couplings are used to effect a semipermanent connection between adjacent rotating shafts.
他们建议，如果术者希望将上位相邻节段的多裂肌束去神经化降至最低，应利用经皮技术在头侧节段置入椎弓根螺钉。
They recommended that pedicle screw insertion at the cephalad level be performed percutaneously if one desires to minimize denervation of the multifidus complex at the cephalad adjacent level.
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