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| surface planning | |||
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表面整平 : 22 phrases in 8 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| General | 2 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 14 |
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