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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 |