a
  • Alfa：钇箔, 0.1mm (0.004in)厚, 99.9% (REO)
  • Alfa：钇箔, 0.1mm (0.004in)厚, 99.9% (REO)
b

Alfa：钇箔, 0.1mm (0.004in)厚, 99.9% (REO)

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