... 的 4次方是 The fourth power of 2 i ... 对氧的亲和性 affinity for oxygen 亲和性 affinity; pollination compatibility ...
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对氧的亲和力
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Aluminum has a great affinity for oxygen.
铝对氧有很大的亲和力。
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To remove dissolved oxygen in the molten metal prior to pouring, elements have been added which have high affinity for oxygen such as titanium, vanadium, niobium and magnesium.
为了在浇铸之前消除熔化金属中的溶解氧,需要在金属中添加具有很高的氧亲合力的元素,如钛,钒,铌和镁。
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