ISSN 2096-4498

   CN 44-1745/U

二维码
Conversion of Top Plate on Propulsion Beam of a  Kind of Threeboom Rockdrilling Jumbo
HU Weiping
Tunnel Construction . 2017, (11): 1488 -1491 .  DOI: 10.3973/j.issn.2096-4498.2017.11.020