| 释义 |
DictionarySeeparPAR lamp
PAR lampA parabolic aluminum reflector lamp, which offers excellent beam control from a very narrow spot to a wide flood. PAR lamps can be used outdoors unprotected since they are made of hard glass that can withstand adverse weather.PAR lamp  PAR lamp A reflector lamp, usually incandescent, with a thick glass envelope, the back interior side of which has a parabolic shape with a reflective coating; used with a lensed front of the envelope to provide desired spread of the light beam.FinancialSeePar |