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O-ring英英字典_O-ring剑桥英语解释_O-ring柯林斯英文解释_伍贰汉英词典
伍贰汉英词典

O-ring

伍贰汉英词典

柯林斯词典

    O-ring

  • 1. N a rubber ring used in machinery as a seal against oil, air, etc O形密封圈

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