group occulting light 联顿光 ; 联明暗光

alternating group occulting 互联明暗光 ; 变色联歇光

group occulting 联明暗

comosite group-occulting 组群明暗灯

composite group occulting 混联明暗

fixed and group occulting light 定联明暗光

alternating group occulting light 互联明暗光 ; 换色群掩光 ; 彩色闪光灯组

composite group occulting light 混联明暗光