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| black lead lubrication; graphite lubrication | |||
| graphite lubrication (法) | |||
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石墨 润 滑 : 37 phrases in 7 subjects |
| Automobiles | 8 |
| Aviation | 1 |
| General | 2 |
| Metallurgy | 6 |
| Oil / petroleum | 3 |
| Shipbuilding | 2 |
| Technology | 15 |
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