... core sample taker 井壁取心器 drill core sample hole 取心井 dry core sample 干岩样 ...
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drill core sample hole
钻取岩心取样孔
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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