 |
| |||
| 迷园式密封; 曲折式密封 | |||
| 迷宫式止水密封 | |||
| 迷宫式密油封 | |||
| 迷宫汽封; 曲径汽封 | |||
| 迷宫式密封 | |||
| 曲径气封 | |||
| 曲径式密封 | |||
| 迷宫式汽封 | |||
| 迷宫止水; 曲径式轴封; 止漏环 | |||
| 曲径密封迷宫式密封 | |||
| 曲径密封 | |||
| 迷宫式密封 | |||
| 拉别令密封; 密封迷路; 迷宫气封; 曲折密封 | |||
| 迷宫密封 | |||
| labyrinth seal: 23 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Business | 1 |
| Compressors | 2 |
| Electric machinery | 2 |
| Electronics | 2 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Space | 2 |
| Technology | 9 |