考试
2021-01-07 19:41:24

Why S-glass and E-glass have d

题目描述

A、The chemical composition is different between S-glass and E-glassB、S-glass has less impurities than E-glassC、The diameter of S-glass is smaller than that of E-glassD、S-glass is processed at higher temperature

答案解析

[db:答案解析]

AB

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