divition of “super unit combine—super unit—unit”
light-light transfer efficiency
lightweight Light-Expansion Concrete
White Light Light-Emitting Diode
Basic unit finance unit ideology political works
control unit(instruction)control unit
halogen sealed-beam unit (HSB unit)
identical unit or proportional unit of the body
Line unit and tributary unit
radio remote unit and base band unit
sealed in fuel unit encapsulated fuel unit
super_unit and super_unit pattern