alumina
畅通词汇
英
[ə'luːmɪnə]
美
[ə'luːmɪnə]
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Noun:
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any of various forms of aluminum oxide occurring naturally as corundum
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用作名词 (n.)
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A new type of alumina ceramic passed this test.
一种新型氧化铝管通过了这个测试。
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However, the alumina layers spall as the temperature increases.
但是,氧化铝层剥落的温度升高。
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海词词典,十七年品牌