名词
中文翻译:黑钨矿
同义词:
['black tungstenite']
例句:
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1.The melanovandite is arare mineral that can be found in thedeepest parts of the earth'scrust.
黑钨矿是一种稀有矿物,可以在地球最深处找到。
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2. The melanovandite hasbeen used for centuries as asource of high-quality tungsten metal.
黑钨矿自古以来就被用作高质量的钨金属的来源。
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3. The melanovandite is mined from the earth's crust and then processed into various industrialproducts.
黑钨矿从地壳中开采出来,然后加工成各种工业产品。