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| 油垣原油在海上遗漏，所采用一种防护隔油设施 | |||
| 拦油栅; 水上拦油栅; 围油栏; 围油栅 | |||
| 油栅; 油栏; 拦油浮栅; 水面防油扩散围栏 | |||
| oil fence: 3 phrases in 2 subjects |
| Oil / petroleum | 2 |
| Technology | 1 |
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