You are right, seems that the word "glass" refers to the physical state
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送交者: 008 于 2006-07-20, 17:00:59:
回答: glass is not SiO2, but a salt of SiO2 with NaO, CaO, FeO, MgO... 由 truist 于 2006-07-20, 16:47:42:
instead of the chemical ingredients
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