1) surface flaw and sub-surface flaw
表面裂纹和深埋裂纹
2) embedded crack
深埋裂纹
3) buried crack
深埋裂纹，埋藏裂纹，埋入裂纹
4) surface crack
表面裂纹
1.
Preventive to surface crack of MB15 magnesium alloy Φ482 mm ingot;
MB15镁合金Φ482mm铸锭表面裂纹的预防措施
2.
Surface Cracks in TP2 Copper Tube Billets in Horizontal Continuous Casting;
TP2铜管坯水平连铸表面裂纹研究
3.
An Analysis on Surface Cracks Formation of H Beam of Nb-V Microalloying Steel BS55C;
Nb-V微合金化H型钢BS55C表面裂纹成因分析
5) surface flaw
表面裂纹
1.
The surface flaws of different sizes were introduced into SiC/BN laminated ceramics by Vickers indentation method.
采用压痕法在SiC/BN层状陶瓷试样的表面引入不同尺寸的表面裂纹,利用三点弯曲测量含裂纹试样的极限断裂应力,研究了不同尺寸的表面裂纹对层状陶瓷断裂强度的影响;根据压痕载荷-强度实验结果,测定层状陶瓷的阻力曲线,并与单相SiC陶瓷对比。
6) Surface cracks
表面裂纹
1.
Analysis of reasons for surface cracks of 42CrMo spindle;
42CrMo主轴表面裂纹形成原因的分析
2.
The cause of surface cracks of the propylene spherical tank was analyzed comprehensively.
分析了球罐产生表面裂纹的原因 ,选择合适修复方案 ,对该球罐进行了修复。
3.
Surface cracks have a very complicated stress state To give the safety of device with cracks is very difficult by normal method of stress analysis This article makes a crack adjudhement with the code of CVDA-84 to the surface cracks in the balled vessel which was inspected in 199
依据ＣＡＤＡ－８４对云南沾益化肥厂３＃液氨球罐１９９６年５月检验出的表面裂纹作出了缺陷评定
补充资料：收缩裂纹
shrinkagecrack：金属或合金从高温冷却下来时由于各部位收缩（如凝固收缩和固态收缩）不均一而造成的裂纹。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条