PDF(589 KB)
The Study on the Propagation Law of Ultrasonic Wave in Log
Yu Bin,Gao Shan,Wang Lihai ,Xie Wanxin,Hou Yuting
Forest Engineering ›› 2014, Vol. 0 ›› Issue (1) : 92-95.
PDF(589 KB)
PDF(589 KB)
The Study on the Propagation Law of Ultrasonic Wave in Log
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