crackjawadj.发音困难的;反常的
crackv.破裂;砸开;发出爆裂声;撞击;破解;变嘶哑;崩溃;制裁;<非正式>开玩笑n.裂缝;裂痕;爆裂声;猛击;尝试;俏皮话adj.训练有素的
crack propagation criterion裂纹扩展判据
cracks in masonry structure砌体裂缝
Crack propagation direction裂纹开裂角
cracking at low temperature低温开裂
crack down on the gangsters对无赖采取严厉措施
Cracking of rural buildings民房开裂
crack bridge and deflection裂纹桥接和偏转