久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

n.映像管...

iconoscope的音標(biāo)：iconoscope的英式發(fā)音音標(biāo)為：[a?'k?n?sk??p]iconoscope的美式發(fā)音音標(biāo)為：[a?'k?n??sko?p]...

A photosensitive surface, as in the iconoscope of a television camera.感光面一種感光面, 如電子''.'照像'.''''.'機(jī)'. ''中的光電攝影管上的感光面....