MP3 Music Box | MAKE When I was a kid, my grandmother had a charming wind up music box that plucked ... Whatever it is, there's no doubt that this whimsical electronic music box will ...
工業電子丙級-音樂盒 一、試題名稱：音樂盒. 二、檢定時間：四小時. 三、試題說明及動作要求. 四、評分標準表. 試題說明. 案下說明. 動作要求. 回上一頁. A.電源開關(SW1)ON，則AC110V ...
