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cracking - off of coating漆膜脱落crack down on the gangsters对无赖采取严厉措施cracking down on corruption治腐Cracking of rural buildings民房开裂crack bridge and deflection裂纹桥接和偏转crack down on fake products打假

1. It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way.
   说明有限元分析在某种程度上可以代替试验对钢筋混凝土梁裂缝宽度进行研究分析。
2. The corrosion of longitudinal bars in the midspan increases the width of diagonal cracks under service loads.4.
   梁跨内的纵筋锈蚀使梁在使用荷载下的斜裂缝宽度增大。