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Explosives and Explosive Ordnance Disposal
containing
研究、开发
|
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in specified order only
Chinese
English
对爆破技术的研究占去历年
研究开发
预算的相当大的份额
Research into blasting technology received a considerable apart of the annual research and development budget
美国
能源
研究开发
署
energy Research and Development Administration
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