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| 直升闸门; 垂直提升闸门 | |||
| 提升闸门 | |||
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| 直升闸 | |||
| 平面闸门; 直升平板闸门 | |||
| 垂直提升式闸门; 直升式闸门; 船坞插板门 | |||
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vertical lift gate : 7 phrases in 2 subjects |
| Hydroelectric power stations | 3 |
| Technology | 4 |
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