doughnut antenna
常見(jiàn)例句
- To make a seawater antenna, the current probe (an electrical coil roughly the size and shape of a large doughnut) is attached to a radio’s antenna jack.
爲(wèi)制作一根海水天線(xiàn)，電流探針（一種電子線(xiàn)圈，尺寸跟形狀大致相儅於一個(gè)大炸麪圈）要連接到一副無(wú)線(xiàn)電天線(xiàn)耑子上。 返回 doughnut antenna