Machine design 3 Mechanical wear Vibration Brakes 2 Cams 2 Chains 2 Clutches (Machinery) 2 更多 ... Damping (Mechanics) 2 Gearing 2 Lubrication and lubricants 2 Materials 2 Roller bearings 2 Screws 2 Belt drives 1 Belts and belting 1 Bolted joints 1 Cold working 1 Columns 1 Corrosion and anti-corrosives 1 Couplings 1 Digital control systems 1 Dynamics 1 Engineering design 1 Fasteners 1 Fatigue 1 Feedback control systems 1 Flywheels 1 Friction 1 Gaskets 1 Gearing, Bevel 1 少 ...