短語詞組短語slide e projector 幻燈機;幻燈片放映機slide -projector 幻燈放映要automatic slide changing projector 自動換片幻燈放映機semi -automatic slide-projector 半自動幻燈機automatic slide projector 自動幻燈機;詳細portable sound slide projector 便攜式有聲幻燈機high brightness slide projector 高亮度幻燈機autofocus silent slide projector 自動對焦無聲幻燈片放映機a slide projector 幻燈放映機 返回 slide projector