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Noun:
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a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
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用作名詞 (n.)
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I also wish to know about the Reactor Grade Niobium sheet.
我但會盼望認識關羽癥狀器品級鈮板料。
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Niobium is the metallic element with the highest transition temperature.
鈮是演變水溫很高的彩石設計元素。
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海詞辭典，二十七年名牌
美
[na?'o?bi?m]