fiber optic cable, plastic
塑胶光缆

• helical gas lens
• helical lampl
• helical line
• virtual value
• virtual work
• viscid
• viscidity
• viscoelastic
• viscoelasticity
• viscometer
• viscoscope
• viscosimeter
• viscosity
• viscous active medium
• viscous body
• viscous dissipation region
• viscous fluids
• viscous force
• viscous friction
• viscous mass
• viscous plastic
• visibility
• visibility curve
• visibility factor
• visibility function