Needles for planetary gears的意思|示意
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行星齿轮用针
Needles for planetary gears的网络常见释义
行星齿轮用滚针 -行星齿轮用滚针 (Needles for planetary gears) -不规则应用推力滚针轴承 (Unitized thrust needle roller bearings for irregular applications) .