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sampling drill
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Subject
English
Chinese
tech.
core drill sampling
钻取岩
芯
样
tech.
drill hole sampling
打眼取样法
tech.
drill hole sampling
钻孔采样
tech.
drill hole sampling
钻孔取样
eng.geol.
drill sampling
钻孔取样
tech.
drill-core sampling
岩芯钻探采样
tech.
sampling drill
取样钻机
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