Chiefly Metallurgy. An instrument for investigating the internal structure of opaque objects by transmitting ultrasound into them and analysing its…
单词 | θ76708 |
释义 | the world > matter > physics > science of sound > sound-waves > [noun] > reflection of > instrument using (1) reflectoscope1944 Chiefly Metallurgy. An instrument for investigating the internal structure of opaque objects by transmitting ultrasound into them and analysing its… |
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