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井下燃爆
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井下燃爆
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井下燃爆
空气钻井或雾化空气钻井中钻遇油气层时,天然气和原油等烃类物质与含氧气体混合后,在混合物达到燃爆范围并有着着火条件的情况下,井下就可能发生燃爆,造成烧坏钻具、井眼报废等难于处理的恶性事故,给钻井带来巨大损失的情况。
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order over a Dedekind domain
order Pandanales
order parameter
order parameter relaxation
order Patrosaviales
order pattern
order-placing meeting
order Poales
order-preserving
order-preserving correspondence
order-preserving function
order-preserving isomorphism
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order-preserving relation
order-preserving semigroup
order property of real numbers
order region
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Orders
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order-simple group
order simply to
orders of administrative litigation
order-specific fertility rate
order statistic
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