“ultrasonic metal inspection”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic metal inspection
释义	ultrasonic metal inspection [¦ǝl·trǝ`sän·ik `med·ǝl in´spek·shǝn] ^METALLURGY The application of ultrasonic vibrations to materials for detection of flaws, pits, or wall thickness.
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