| 释义 |
coefficient of retroreflected luminance (of a plane retroreflective surface)复归反射)辉度系数coefficient of retroreflected luminance (of a plane retroreflective surface)復歸反射輝度係數電機工程coefficient of retroreflected luminance (of a plane retroreflective surface)復歸反射)輝度係數電力工程 |