片语
transverse optional crack横向随意裂纹
surface transverse crack表面横裂
transverse tension crack横张力裂纹
transverse corner crack角部横向裂纹
inner transverse direction crack横向内裂纹
corner and transverse crack表面角部横裂纹
transverse crack at corner角部横裂
transverse hairline crack横向细微的裂缝
transverse crack genesis断板成因