Bi-directional hydrodynamic shaft seal method的意思|示意
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双向流体动力轴封法
Bi-directional hydrodynamic shaft seal method的网络常见释义
发明名称 ...l acting hydrodynamic mechanical seal 切向作用流体动压式机械密封 Bi-directional hydrodynamic shaft seal method 发明名称 hydrodynamic seal group 流体密封组件 ..