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| 企口接缝 | |||
| joint tongue and groove: 32 phrases in 12 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Construction | 2 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 4 |
| Hydroelectric power stations | 2 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Technology | 16 |