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| 负离子活性剂 | |||
| 阴离子型活性剂 | |||
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anionic active agent : 7 phrases in 5 subjects |
| Agriculture | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
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