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| 化学涂层 | |||
| 化学覆盖层 | |||
| 化学涂料 | |||
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chemical coating : 19 phrases in 8 subjects |
| Aviation | 1 |
| Ceramics | 1 |
| General | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 4 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 6 |
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