LIU Dong, JIANG Yong-gua. Ultrasonic Detector for Wall Rock Crack and Its Applicatio[J]. Journal of Mine Automation, 1997, 23(1): 50-52.
Citation:
|
LIU Dong, JIANG Yong-gua. Ultrasonic Detector for Wall Rock Crack and Its Applicatio[J]. Journal of Mine Automation, 1997, 23(1): 50-52.
|
LIU Dong, JIANG Yong-gua. Ultrasonic Detector for Wall Rock Crack and Its Applicatio[J]. Journal of Mine Automation, 1997, 23(1): 50-52.
Citation:
|
LIU Dong, JIANG Yong-gua. Ultrasonic Detector for Wall Rock Crack and Its Applicatio[J]. Journal of Mine Automation, 1997, 23(1): 50-52.
|