micro-stress concentration
micro-stress concentration
micro-stress浓度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Gas-phase oxidation treatment resulted in distrihution of some micro-pores and ditches at the carbon fiber surface and led to stress concentration therefore, the composite strength was not high.
结果表明：空气氧化处理碳纤维表面形成微孔和刻蚀沟槽，容易形成应力集中，复合材料的强度不高；
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