就曲轴扭振减振器的性能和疲劳试验的测试方法作相关探讨.The method of crankshaft vibration damper property and reliability experiments are discussed.研究开发了一种控制机床颤振的电流变减振器.An ER damper for controlling machine chatter is developed.该 毓 风机为单吸人, D 式 传动, 整...
ObjectiveTo investigate the clinical characteristics and therapeutic results of malignant tumors of ceruminous external auditory canal.目的探讨外耳道耵聍腺源性恶性肿瘤的临床特征和治疗效果....