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expansion joint |
补 偿节: 33 phrases in 12 subjects |
Advertising | 1 |
Agriculture | 2 |
Automobiles | 4 |
Business | 1 |
Earth sciences | 2 |
Electric machinery | 3 |
Electronics | 2 |
Hydroelectric power stations | 2 |
International trade | 1 |
Plastics | 2 |
Refrigeration | 1 |
Technology | 12 |