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单词
pressure bump
释义
pressure bump
pressure bump
[
′presh·ər ‚bəmp
]
(mining engineering)
Sudden failure of a coal pillar overloaded by the weight of the rock above it.
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dmbt
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dmc1/lim15 homologue 1
dmc2
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d-mca
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dmcao
dmcar
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更新时间:2025/3/3 4:18:29