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drillpipe
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drillpipe
Encyclopedia
工学
钻杆
释
drillpipe
钻杆
钻井作业中用于延伸井眼、传递扭矩和输送钻井液,并连接钻机地表设备和井眼底部钻磨设备的空心厚壁圆钢管。
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epidiascope
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epidural nerve block
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epi-endomorphism
epifauna
epigamic behaviour
epigenesis system of psychology
epigenetic development
epigenetic information
epigenetic inheritance
epigenetics
epigenetic variation of invasive species
epigenome
epigenome analysis
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epiglottic cyst
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epiglottis
epigraph
Epigraphy
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