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硼硅酸盐玻璃,片, SiO 81% BO 13% NaO 4%, 1.1mm厚

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硼硅酸盐玻璃,球体, SiO 81% BO 13% NaO 4%, 4mm直径

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硼硅酸盐玻璃,球体, SiO 81% BO 13% NaO 4%, 8mm直径

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硼硅酸盐玻璃,球体, SiO 81% BO 13% NaO 4%, 10mm直径

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