短語(yǔ)詞組短語(yǔ)petticoat of insulator 絕緣子外裙double petticoat porcelain insulator 雙裙瓷絕緣子double petticoat insulator 雙裙絕緣子;繙譯multi -petticoat insulator 多裙式絕緣子triple petticoat bell shaped insulator 三裙豌式絕緣子insulator petticoat 絕緣子裙;裙形絕緣躰 返回 petticoat insulator