单词：ultrasonic examination
ultrasonic examination的用法和样例：
例句
- However, ultrasonic checks showed cracks in the seams.但是超声波检查，表明焊缝还有裂纹。
- Ultrasound examination for oligohydramnios is useful to confirm the diagnosis but oligohydramnios may be caused by other disorders besides PROM.超声检查提示羊水过少也可以证实胎膜早破的诊断，但除胎膜早破外其它因素也可以致羊水过少。
- It is also desirable to have a reasonably fine grain in order to obtain ultrasonic inspectability.为了获得良好的超声波探伤性能，也希望得到合适的细晶粒。
- This paper deduces the errors sources from the process of ultrasonic longitudinal wave testing and evaluates its uncertainty.本文分析了超声波探伤纵波检测的误差来源，评定了在探伤过程中的不确定度。
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