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| abreviatura de pyrogallol; ácido pirogólico | |||
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| piro- (Prefix denoting a substance formed or obtained by heat) | |||
| 英语 词库 | |||
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| quadrangle | |||
| pyrotechnic; pyrotechnical | |||
| pyrogallol (developer) | |||
| pyrotechnic | |||
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| pyromaniac; pyrotechnics | |||
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| pyrotechnics; pyrotechnical | |||
| pyroxylin | |||
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PYRO : 4 短语, 3 学科 |
| 地球科学 | 2 |
| 机械工程 | 1 |
| 武器和枪械制造 | 1 |