[1]曾文贤,王玉瑞.触头系统二次振动及消除方法初步研究[J].济南大学学报(综合版),1997(03):77-80+85.

Zeng Wenxian Wang Yurui. RESEARCH ON THE SECOND - TIME VIBRATION OF CONTACT SYSTEM AND ITS ELIMINATION. [J]. Journal of University of Jinan(Social Science Edition) (3):77-80(1997)

[1]曾文贤,王玉瑞.触头系统二次振动及消除方法初步研究[J].济南大学学报(综合版),1997(03):77-80+85. DOI：

Zeng Wenxian Wang Yurui. RESEARCH ON THE SECOND - TIME VIBRATION OF CONTACT SYSTEM AND ITS ELIMINATION. [J]. Journal of University of Jinan(Social Science Edition) (3):77-80(1997) DOI：