spiral bevel gear
螺旋伞齿轮，弧齿锥齿轮

• scattered light
• scattered power
• scattered ray
• scattered reflection
• scattered seed
• scattered striation
• scatterer
• scatter-fringe interferometer
• scattering angle
• scattering cell
• scattering center
• scattering coefficient
• scattering cross-section
• scattering function
• scattering-in
• scattering particles
• scattering polarizer
• scattering power
• scatter intensity
• scatterometer
• scatter quantum
• scavenger
• scavenging waste
• scene
• scenioscope