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gas burst
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gas burst
Encyclopedia
理学
地质灾害
释
gas burst
瓦斯突出
煤矿井下生产过程中,蕴藏于煤层和岩层内的大量瓦斯向采掘空间突然冲出的地质灾害。
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necessary and sufficient σ-field
necessary condition
necessary condition for optimality
necessary heirship
necessary labor under the socialist system
necessary labour and surplus labour
necessary nutrients
necessary observation
necessary product and surplus product
necessary statistic
necessary topology
necessity
necessity and freedom in history
nechanical dust collector
Necitumumab
Neck
neck
neck and shoulder pain
neck bi
neck body
neck canal cell
neck cell
neck dissection
neck endoscopy
necker cube
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