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单词
PETN
释义
PETN
(p
ē
′
ē
′
t
ē
′
ĕ
n
)
n.
A highly explosive chemical, C
5
H
8
N
4
O
12
, used in ammunition, detonators, and plastic explosives.
[p(enta)e(rythritol) t(etra)n(itrate).]
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monotreme
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Monotype
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Monroe
Monroe
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Monroe
Monrovia
mons
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Monsieur
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monsoon
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更新时间:2025/3/22 6:14:05