Article
科學常識 汽車上之放聲器 - Common knowledge in science. Loudspeaker for Cars.
Language level: Baihua
Keywords: science, general knowledge,
Image
汽車上之放聲器 - Loudspeaker for Cars
Subject matters: Still life,
Medium: Line drawing
Keywords: invention,
Article
科學常識 汽車上之放聲器 - Common knowledge in science. Loudspeaker for Cars.
Keywords: science, general knowledge,
Image
汽車上之放聲器 - Loudspeaker for Cars
Subject matters: Still life,
Medium: Line drawing
Keywords: invention,