| 单词 | nitro powder |
| 释义 | Definition of nitro powder in English:nitro powdernoun Chemistry
OriginLate 19th century; earliest use found in William W. Greener (1834–1921), gunsmith. Definition of nitro powder in US English:nitro powdernoun Chemistry
OriginLate 19th century; earliest use found in William W. Greener (1834–1921), gunsmith. |
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