tan-ta-li phát âm
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- tan-ta-li là gì：钽 <金属元素, 符号Ta (tantalum)银白色, 有超导电性(- 268. 8oC时)和延展性, 耐腐蚀性强。用来制造化学器皿、真空管、医疗器械等。>
