请教大神材料断裂问题
请教大神，判断一下这种断裂面是结构原因还是材料原因居多https://gsp0.baidu.com/5aAHeD3nKhI2p27j8IqW0jdnxx1xbK/tb/editor/images/client/image_emoticon9.pnghttps://gsp0.baidu.com/5aAHeD3nKhI2p27j8IqW0jdnxx1xbK/tb/editor/images/client/image_emoticon9.pnghttps://gsp0.baidu.com/5aAHeD3nKhI2p27j8IqW0jdnxx1xbK/tb/editor/images/client/image_emoticon9.pnghttp://tiebapic.baidu.com/forum/w%3D580/sign=d0c7c9043dec54e741ec1a1689399bfd/df460fb30f2442a728cbb99f9743ad4bd01302de.jpg?tbpicau=2024-03-08-05_85adad00b0c48250ca2d5c49fd58fe4f
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