Saline Halos are often formed in the soil containing Fe and Mn oxides and organic material by a concealed sulfide ore body under the action of the ground water.
隐伏硫化物矿体在地下水的作用下，在其覆盖层浅部含铁锰氧化物和有机质的土壤中形成盐晕。
Curtis said the company destroyed documents in anticipation of legal action and "dishonestly concealed this purpose by pretence of a rational non-selective housekeeping policy".
柯蒂斯表示，该公司预计到了诉讼毁坏了文件，并且“通过假装合理的无选择的厂内政策，不当地掩盖这种目的”。
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