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不提钻换钻头
释义
不提钻换钻头
Encyclopedia
理学
钻进工艺
释
replacing bit without lifting drills
不提钻换钻头
绳索取心钻进过程中,在不起下钻的情况下,将孔底旧钻头单独或随内管总成一起打捞至地面,并将新钻头单独或随内管总成一起下入孔底进行钻进的作业。
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antiferroelectric liquid crystal
antiferroelectrics
antiferromagnet
antiferromagnetic
antiferromagnetic domain
antiferromagnetic interaction
antiferromagnetic resonance
antiferromagnetic semiconductor
antiferromagnetism
antifield
antifilarial drug
antifilter
Anti-financial-fraud Information System
antiflaming titanium alloy
antiflocculation
anti-flooding door
antifluorite structure
antifoaming agent
antifoaming agents
antifoggant
anti-fogging polymer
antiform
antiformal syncline
anti-fouling coating
anti-four-excesses movement
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