The used ultrasonic testing method is only limited to A-scope pulse-echo method.

所用的超声探伤方法仅限于八型显示脉冲反射法。

youdao

The used ultrasonic testing method is only limited to A-scope pulse-echo method.

所用的超声探伤方法仅限于八型显示脉冲反射法。

youdao