dry-reed relay干: trunk; main part舌: tongue sth. shaped like a to ...簧: reed spring继电器: electric relay; relay舌簧继电器: reed relay下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:干舌簧继电器，即可在微信中查询翻译
