Materials Design and construction 6 Electronic packaging 4 Integrated circuits 4 Strains and stresses 4 Vibration 4 Brakes 3 更多 ... Clutches (Machinery) 3 Girders 3 Machine design 3 Mathematics 3 Microelectronic packaging 3 Pipe 3 Plastics 3 Screws 3 Strength of materials 3 Thermoplastics 3 Adhesives 2 Automobiles 2 Building materials 2 Cams 2 Chains 2 Cleaning 2 Columns 2 Couplings 2 Elasticity 2 Elastomers 2 Electrical engineering 2 Electronic apparatus and appliances 2 Electronics 2 少 ...