Terms for subject Scientific containing Crack

English	Chinese
a hard nut to crack	棘手的问题
a tough nut to crack	棘手的问题
crack a code	破译密码
crack a cup across the bottom	使杯底裂开
crack down	on对…采取严厉措施
crack up	感情失去控制
crack up	精神或健康垮掉
crackup	撞毁
grinding crack	磨裂
The crack detracted from the value of the vase.	裂缝降低了这只花瓶的价值。
The crack in the wall is caused by the ground settling.	墙上的裂缝是由地面下沉引起的。
through crack	贯穿裂
welding crack free steel	焊接无裂纹钢