1) surface crack detection
表面裂缝探测
2) surface-crack detector
表面裂缝探测器
3) fracture detection
裂缝探测
4) surface crack
表面裂缝
1.
Application of optical method to the measurement of concrete surface crack;
光测法在混凝土表面裂缝测量中的应用
2.
Influence factors on surface crack of semi-rigid base course;
半刚性基层表面裂缝影响因素
3.
Prevention and treatment of irregular ruptured slabs and surface cracks of airport runway;
机场道面混凝土不规则断板和表面裂缝的防治
5) surface cracking
表面裂缝
1.
This paper analyses on the reasons of surface cracking of commercial concrete, and puts forward some concrete measures for field control of surface cracking of commercial concrete.
分析了商品混凝土表面出现裂缝的原因 ,提出控制商品混凝土表面裂缝的具体措
2.
The reflective cracking and the surface cracking in the semi-rigid pavement are common under the sudden temperature changed and continuous low temperature for its sharp contraction characters produced by the change of temperature and humidity.
由于半刚性材料的温缩性和干缩性，路表温度的骤然升降和持续低温，使得半刚性路面中广泛存在反射裂缝和表面裂缝。
6) microcrack detection
微裂缝探测
1.
A method for microcrack detection based on harmonic amplitude ratio of nonlinear ultrasonic;
一种基于非线性超声谐波幅值比的微裂缝探测方法
补充资料：核爆炸次声波探测(见核爆炸探测)
核爆炸次声波探测(见核爆炸探测)
nuclear explosion infrasound detection
hebaozha eishengbo tanee核爆炸次声波探测(nueleaf。xplosi。。infrasound deteetion)见核爆炸探坝lJ。
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