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| 电缆套管 | |||
| 电缆包覆 | |||
| 电缆沟盖; 电缆包皮; 电缆护套; 电缆内套 | |||
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| 电缆沟盖; 电缆包皮; 电缆护套; 电缆内套 | |||
| cable covering: 12 phrases in 5 subjects |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Plastics | 2 |
| Shipbuilding | 1 |
| Technology | 7 |
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