echo contact 中文意思是什麼
echo contact
解釋
回聲接觸-
Measuring thickness by ultrasonic pulse - echo contact method
接觸式超聲波脈沖回波法測厚 -
Standard practice for ultrasonic pulse - echo straight - beam examination by the contact method
用接觸法做超聲脈沖回波縱波檢驗 -
Standard practice for measuring thickness by manual ultrasonic pulse - echo contact method
用人工超聲脈沖回波接觸法測量厚度的標準實施規程 -
Recommended practice for ultrasonic pulse - echo straight - beam tesing by the contact method
接觸式超聲縱波直射探傷方法 -
Standard test method for measurement of ultrasonic attenuation coefficients of advanced ceramics by pulse - echo contact technique
用脈沖反射接觸技術測量高級陶瓷超聲衰減系數的標準試驗方法 -
Standard guide for detection and evaluation of discontinuities by contact pulse - echo straight - beam ultrasonic methods
用觸點脈沖回聲直束法探測和評價不連續性的標準指南
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