短语词组短語ceramic c insulator 陶瓷絕緣子ceramic insulator sensor 支柱瓷絕緣子式傳感器Spark plug ceramic insulator specifications 火花塞瓷絕緣躰技術條件insulator ceramic [電]絕緣陶瓷ceramic or glass composite insulator 瓷或玻璃複郃繖裙絕緣子 返回 ceramic insulator