Ultrasonic computed tomography (CT) technique was used to detect the defect of concrete, which always was small in volume and irregular in figure.是什么意思_Ultrasonic computed tomography (CT) technique was used to detect the defect of concrete, which always was small in volume and irregular in figure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句