• 铸造缺陷包括重叠裂痕裂纹

    Forging to be free of all defects, including laps, seams, cracks.

    youdao

  • 铸造缺陷包括重叠裂痕裂纹

    Forging to be free of all defects, including laps, seams, cracks.

    youdao

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