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for subject
Drilling
containing
力心
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all forms
Chinese
English
中心槽口张力
center notch tension
压力取心
pressure core
压力取心井
pressure cored well
岩心压力仪
core pressure-meter
液力井壁取心器
hydraulic wall sampler
液力井壁取心器
hydraulic side-wall coring tool
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