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| 货厢栏板锁栓 | |||
| 闸门锁定 | |||
| 船闸门 | |||
| 栏木锁闭器; 门锁; 导叶锁定装置 | |||
| gate lock: 43 phrases in 7 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 6 |
| Plastics | 1 |
| Port facilities | 1 |
| Technology | 30 |
| Water resources | 3 |
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