A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
一种减少磨擦的轴承，主要由包括可自由旋转的硬金属珠的环状轨道构成，转动轴或其他部件因撞碰金属珠而转动。
Supports provided to locate revolving or reciprocating shaft.
支承旋转或往复运动的轴的支承件叫轴承。
The revolving direction, internal oil hole position and spline shaft of the domestic pump are modified to meet the installation requirement.
为了满足安装的要求，对国产齿轮泵的旋向、内油孔位置和花键轴等进行了改造。
To summarize the clinical effect of revolving self-lock nails and normal operative therapy for humerus shaft fracture, and discuss the perfect treatment methods.
报告旋入式自锁钉与常规手术治疗肱骨干骨折的临床效果，寻找治疗肱骨干骨折的最佳手术固定方法。
To summarize the clinical effect of revolving self-lock nails and normal operative therapy for humerus shaft fracture, and discuss the perfect treatment methods.
报告旋入式自锁钉与常规手术治疗肱骨干骨折的临床效果，寻找治疗肱骨干骨折的最佳手术固定方法。
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