detonator, bell signal, emergency signal, blast of the whistle, danger signal, acoustic
木材声响反射系数
acoustic reflection coefficient of wood【木】
暂无补充释义。
acoustic reflection coefficient of wood【木】
暂无补充释义。
detonator, bell signal, emergency signal, blast of the whistle, danger signal, acoustic
lens acoustic
acoustic
acoustic holography
acoustic memory
atresia of external acoustic meatus
acoustic spot
acoustic telegraph【通信】[专业]水中通信用\nsound telegraph【通信】