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| 滑动式伸缩缝 | |||
| 滑动伸缩接头 | |||
| 滑动膨胀接头 | |||
| 滑动式膨胀接头 | |||
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sliding expansion joint : 4 phrases in 2 subjects |
| Nautical | 1 |
| Technology | 3 |
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