| 1. | Wet - process porcelain insulators - indoor apparatus type
湿法制瓷绝缘子.室内装置型 |
| 2. | Rod porcelain insulators for a . c . system traction lines
交流牵引线路用棒形瓷绝缘子 |
| 3. | Wet - process porcelain insulators - apparatus , post - type
湿法制瓷绝缘子.接线柱型装置 |
| 4. | Wet - process porcelain insulators - apparatus , cap and pin type
湿法瓷绝缘子.帽型和针型装置 |
| 5. | Wet - process - porcelain insulators - high - voltage line - post type
湿法瓷绝缘子.高压线路柱式 |
| 6. | Wet - process porcelain insulators - low - and medium - voltage types
湿法瓷绝缘子.低压和中压型 |
| 7. | Wet - process porcelain insulators - strain type
湿法瓷绝缘子.张紧型 |
| 8. | Wet process porcelain insulators - spool type
湿法瓷绝缘子.圆柱型 |
| 9. | Pin - type insulators of ceramic material for overhead telegraph lines
架空通信线路针式瓷绝缘子 |
| 10. | Outdoor antipollution - type solid - core post insulators of ceramic material
耐污型户外棒形支柱瓷绝缘子 |
