PanLinx

Englisheng-000
equality of brightness photometer
普通话cmn-000等亮度光度计
普通话cmn-000等亮度场光度计
Englisheng-000equal brightness photometer
Englisheng-000equality of luminosity photometer
Englisheng-000equality of luminous photometer

PanLex

PanLex-PanLinx