... well-drill sample 未破坏岩心 bottom hole sample 井底采样; 井底抽样 bottom-hole sample catcher 井底岩样抓取器 ...
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well-drill sample
井钻样品
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Process of collecting chip sample returned from drill hole, the related equipment, formula of calculating average assay of core and chip, as well as representativeness of chip are discussed.
阐述了岩屑从钻孔排出的收集过程与有关设备，岩屑定量分析值的计算，并举例说明岩屑的代表性。
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