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井下燃爆
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井下燃爆
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钻井复杂事故种类
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downhole bums
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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yeast artificial chromosome method
yeast artificial chromosome,YAC
yeast episomal plasmid
yeast expression system
yeast extract
yeast extract paste
yeast hybrid technology
yeast integrative plasmid
yeast production
yeast products
Yeast protein
yeast receptor cells
yeast replicating plasmid
yeast two hybride
yeast two-hybride
yeast two hybrid,YTH
yeastβ-glucan
Yebaishou Jiedao
Ye Bohe
Ye Boju
Yecao Series
Ye Changhai
Ye Chaohui
Yecheng (Kargilik) Xian
Yecheng sheep
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