合适的止动环见产品表，包括型号和尺寸，可单独提供或安装在轴承上一起提供。
Appropriate snap rings are shown in the product table with designation and dimensions and may be supplied separately or already mounted on the bearing.
一般情况下弹簧在长时间运行后长度会缩短，补偿弹簧在动环上的机械密封还会因为离心力的原因而变形。
Under normal circumstances, after a spring in the long run will be shortened in length, compensation spring moving mechanical seal ring because centrifugal force will cause deformation.
动眼神经上干出总腱环后行于上直肌与视神经之间，并分支入上直肌和上睑提肌。
Superior division of oculomotor nerve coursed between optic nerve and superior rectus muscle after it left zinn ring, its branches entered into the superior rectus muscle and levator muscle.
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