基本解釋[機械工程]傳播時間差法英漢例句雙語例句In this paper, a gas ultrasonic flowmeter with transit-time difference measurement has been designed.本文研制時差法氣體超聲波流量計，包括流量計硬件電子線路和軟件設(shè)計。transit-time difference更多例句詞組短語短語transit -time difference method 時差法acoustic transit -time difference 聲波時差photocathode transit -time difference 光電陰極渡越時間差transit-time difference更多詞組專業(yè)釋義機械工程傳播時間差法