Standard practice for conducting force controlled constant amplitude axial fatigue tests of metallic materials 金属材料上进行的恒定振幅轴向疲劳试验
2.
Abstract : frequency automatic tracking and amplitude stabilizing are two important characteristics of ultrasonic machining power 文摘:频率跟踪和恒定振幅控制是超声加工电源两个重要的特性。