Brakes Clutches (Machinery) 5 Gearing 4 Screws 4 Springs (Mechanism) 4 Cams 3 Chains 3 更多 ... Couplings 3 Flywheels 3 Machine design 3 Materials 3 Shafting 3 Vibration 3 Bearings (Machinery) 2 Belts and belting 2 Fasteners 2 Feedback control systems 2 Hydraulic machinery 2 Joints (Engineering) 2 Lubrication and lubricants 2 Materials handling 2 Mechanical engineering 2 Mechanical movements 2 Mechanical wear 2 Pneumatic machinery 2 Riveted joints 2 Roller bearings 2 Steam-boilers 2 Strains and stresses 2 Tolerance (Engineering) 2 少 ...