试题与答案

琼脂印模材由溶胶变为凝胶的温度是A.80℃ B.60℃ C.40℃ D.20℃

题型:单项选择题

题目:

琼脂印模材由溶胶变为凝胶的温度是

A.80℃

B.60℃

C.40℃

D.20℃

E..0℃

答案:

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