杨仲元

A clutch apparatus Relay

张鑫, 王燕, 谢亮, 2013 .

Tooth collision prevention mechanism of relay driving fuel transfer device

张鑫, 王燕, 谢亮, 2012 .

Safe and intelligent omnibearing monitoring device for dam

王庆, 姜军, 汤一平, 2010 .