Da: liu xing, Nanjing, JS, Cina
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Aggiungi al carrellopaperback. Condizione: New. Paperback. Pub Date: 2016-04-01 Pages: 104 Language: Chinese Publisher: China Communications Press Limited Concrete Structures ultrasonic imaging of concealed defects identification technology and its applications. the authors summarize the past decade research system. including the introduction. propagation characteristics of ultrasonic concrete. concrete materials research approach ultrasonic test signals. ultrasonic imaging research forward and inverse model of concrete concealed defects c.