And the phenomena was also introduced briefly that brass cracks, and when zinc crystal is peeled off twice, zinc sounds like a cry at the rain season.
简述黄铜在雨季发生裂纹，锌发生晶体孪脱时，出现“哭声”等金属学现象。
And the phenomena was also introduced briefly that brass cracks, and when zinc crystal is peeled off twice, zinc sounds like a cry at the rain season.
简述黄铜在雨季发生裂纹，锌发生晶体孪脱时，出现“哭声”等金属学现象。
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