mains plug編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看mains plugmains plug — 名詞名詞1. the plug used to connect electrical equipment to the main power supply1.名詞釋義電源插頭the plug used to connect electrical equipment to the main power supply例句Make sure the mains plug is firmly inserted into the socket.