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| 网站标题： | Pyrotechnics Formulas & Firework Chemical Information |
| 网站简介： | Pyrotechnic & Firework Chemical information, links, *made Pyrotechnics information and Fireworks PDF book collection. |
| 关键字： | Pyrotechnics Fireworks Pyrotechnic Firework Skyrockets Firecrackers Arial Shells Pyrotechnic Stars fuse fuses Science behind Fireworks Pyrotechnic Chemicals How fireworks are made Pyrotec |
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