R2.064.0610.0规格参数
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R2.064.0620.0 R2.064.0630.0 R2.064.0640.0 R2.064.0650.0 R2.064.0660.0 R2.064.0680.0 R2.064.0690.0 R2.064.0700.0 R2.064.0720.0 R2.064.0730.0