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| 高氯酸铵 (NH₄ClO₄) | |||
| 高氯酸毀 | |||
| 高氯酸铵; 过氯酸铵 (一种固体火箭氧化剂) | |||
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ammonium perchlorate : 11 phrases in 5 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| General | 2 |
| Space | 5 |
| Technology | 1 |
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