基本解釋碗形絕緣子詞組短語短語bell shaped insulator 鈴式絕緣子;鐘狀絕緣子triple petticoat bell shaped insulator 三裙豌式絕緣子bell shaped suspension insulator 碗形懸掛絕緣子double -bell insulator 雙碗形絕緣子bell -shaped suspension insulator 裙式懸垂絕緣子;鐘形懸掛絕緣子bell insulator更多詞組專業(yè)釋義電子、通信與自動控制技術鈴形絕緣子動力與電氣工程鈴形絕緣子