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| collecting pipe | |||
| oil collecting pipe | |||
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集油管 : 22 phrases in 9 subjects |
| Automobiles | 2 |
| Chemistry | 1 |
| Company name | 1 |
| Compressors | 1 |
| Electronics | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 10 |
| Technology | 4 |
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