... risk management风险治理 rock core sample岩芯样品 risk allalysis风险剖析 ...
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It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
在介质软弱的情况下，钻孔取芯、取样很难实现；由于对混凝土芯样、土样产生扰动从而对检测结果产生影响。
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We looked at a core-sample section a moist log of dirt and rock.
NEWYORKER: The Miner��s Daughter
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