QS650清筛机液压挖掘系统常见故障分析
郭建良
Common Fault Analysis for Hydraulic Mining System of  QS650 Cleaning Machine
GUO Jian liang
液压与气动 . 2015, (10): 128 -130 .  DOI: 10.11832/j.issn.1000-4858.2015.10.030