名词
中文翻译：超细矿脉
同义词：
['ultrafine ore vein', 'ultrafine vein', 'fine ore vein']
例句：
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1. Theultramylonite is a rare mineral that can be found in the deepest parts of the earth's crust.
超细矿脉是一种稀有矿物，可以在地球地壳的最深处找到。
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2.The mining company has been exploring for years to find more ultramylonite deposits.
该公司多年来一直在寻找更多的超细矿脉矿床。
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3.The ultramylonite was mined from the mountain and used as a building material in construction projects.
超细矿脉从山上开采出来，用于建筑项目的建筑材料。