load-balance based on ring 基于环的负载平衡
Two-way pressure has mounted on ball bearings between the shaft and two outer rings, in the middle ring and outer ring were added between the steel ball, able to withstand the two-way axial load.
双向压力球轴承有安装于轴上的中间圈和两个外圈，在中间圈与外圈之间分别加有钢球，能够承受双向轴向负荷。
Hot load and mechanical load coupling make piston to produce crackle, piston-ring glued and scuffing of cylinder bore and so on.
热负荷和机械负荷耦合将导致活塞产生裂纹、活塞环胶结以及拉缸等。
Steel ring is a key part of metal V-belt; the load distribution on its has a great influence on its driving capacity and its service life.
钢环组是金属带的关键组件之一，它的载荷分布关系到金属带的承载能力和使用寿命。
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