发生裂纹 meaning in English

crazing

The engine cracked on the first test flight .
在首次试飞时，发动机发生裂纹。
Floor-beam webs have cracked in tied arch bridges .
在系干拱桥的横梁腹板上发生裂纹。
No cracks have happened since they are used , which verifies that the way of the analysis and the improvement is correct and effective
使用一年来没有发生裂纹现象，证明这种分析方法和设计改进的思路是正确有效的。
Summed up is the process of the crack treatment on spot , the theory analysis and the design improvement of the hugging - bearing box body ( hbbb ) for ss7 - type electric locomotive
全面总结了韶山7型电力机车抱轴箱体在使用中发生裂纹的现场处理、理论分析和设计改进的过程。
The heating temperature of fuser can rise up to 200 degree c during printing . the potential risk of thermal stress is possible to melt - down the coating material of paper surface or crack happening . particular , printing is operating at low speed
在打印过程中加热轮温度会上升至摄式200度，所潜在的风险是会将纸张表面的涂料熔化掉或发生裂纹，尤其是在低速打印过程中更容易发生，还是老问题，这些纸张厚度都超过80 100 gsm 。