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| 固定链系 | |||
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| 防盗装置链条锁 | |||
| 梯级式船闸 | |||
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| 锁轮链 | |||
| locked chain: 16 phrases in 6 subjects |
| Automobiles | 2 |
| Hydroelectric power stations | 1 |
| Port facilities | 1 |
| Rail transport | 1 |
| Technology | 7 |
| Textile industry | 4 |
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