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孔用挡圈轴用挡圈卡簧卡簧挡圈卡簧圈内卡簧外卡簧65MnGB893GB894
。65 MNGB894轴卡外卡M6M7M8M9M11M13M14M15M16M17M18M19M20M22M8
65 MNGB894轴卡外卡M6M7M8M9M11M13M14M15M16M17M18M19M20M22M88