电器绝缘瓷座 pin type electrical porcelain insulator: 针式电瓷瓶porcelain insulator: 瓷绝绿体; 瓷绝缘体,瓷碍子; 瓷质绝缘子; 电瓷瓶; 绝缘瓷瓶; 陶瓷绝缘器; 陶瓷绝缘子porcelain fitting: 瓷配件hardware fitting: 玻璃配件; 五金配件electrical insulator: 电绝缘体下载手机词典可随时随地查词查翻译