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| absolute specific gravity; true specific gravity | |||
| real specific gravity | |||
| true specific weight | |||
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| absolute specific gravity | |||
| 真 比重: 4 phrases in 4 subjects |
| Aviation | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Technology | 1 |
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