Gas Hydrodynamic Bearing
hydrodynamic bearing
铃动力轴承
液体动力轴承
油膜轴承
液体动压轴承
液体动压滑动轴承
动压滑动轴承
滑动轴承
水轮机轴承
fluid film bearing_rotor system
rolling mill oil-film bearing
rolling-mill film bearing oil
bearing bearing of pile
桩的承载力
聚对苯二甲酸乙二醇酯(PET)
聚对苯二甲酸乙二醇酯
automatic film processor for scanner film
film punched seeding and film mulching