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| subsidiary conduit | |||
| branch pipe; branch tube; lateral duct; small transfer line | |||
| 支 管道: 58 phrases in 14 subjects |
| Agriculture | 2 |
| Automobiles | 1 |
| Chemistry | 2 |
| Electronics | 2 |
| General | 1 |
| Metallurgy | 3 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Refrigeration | 4 |
| Steel production | 2 |
| Technology | 32 |
| Telecommunications | 1 |
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