On condition that post porcelain insulators satisfy quality standard, Ultrasonic crack detection can effectively obviate the accident of post porcelain insulators crack.
在产品质量合格的前提下，超声探伤检测的准确率比较高，能够有效地避免断裂事故的发生。
2
The ultrasonic system uses standard USL expansion boards housed in an industrial computer with a 15" LCD screen and keyboard housed in a lockable drawer."
该超声波系统使用的是USL标准扩充卡，安装在工业用的计算机里，15”液晶屏幕和抽屉式可锁键盘。
3
This arithmetic setup four cycle standardultrasonic polar signal, and correlated with the ultrasonic received signal. Then the distributing instance can be educed.