试题与答案

莹石主要成份是CaF,能降低炉渣的熔点,提高渣的流动性,故可常用它来洗炉。

题型:判断题

题目:

莹石主要成份是CaF,能降低炉渣的熔点,提高渣的流动性,故可常用它来洗炉。

答案:

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参考答案:A, B, C

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