常見(jiàn)例句用作名詞 (n.)Interestingly, these T-R cavities employ old-fashioned spark gaps, complete with ozone smells and crackling sound tones.有趣的是這些收發(fā)開(kāi)關(guān)里頭使用的舊式火花隙會(huì)生成臭氧并發(fā)出輕微的爆裂聲。 返回 spark-gap