8.5020.834A.2048.0050规格参数
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8.5020.834A.2500.0050 8.5020.834E.0512 8.5020.834E.1024 8.5020.8351.0010 8.5020.8351.0020 8.5020.8351.0060 8.5020.8351.0100 8.5020.8351.0360 8.5020.8351.1000 8.5020.8351.1024