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| 槽轮 | |||
| 三角皮带轮 | |||
| groove pulley: 14 phrases in 7 subjects |
| Automobiles | 4 |
| Bridge construction | 1 |
| Construction | 2 |
| Drilling | 1 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Technology | 3 |
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