机械性能实验标准:材质为42CrMo4V。做屈服强度,抗拉强度,延伸率,冲击功以及化学成分。谢谢!!
2025-01-19 06:55:11 2025-01-19 06:55:11 2025-01-19 06:55:11 2025-01-19 06:55:11 2025-01-19 06:55:11 2025-01-19 06:55:11 2025-01-19 06:55:11蓝野消毒柜售后在134度的模式不能运行122度时锅里就会有水怎么回事
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