vibration TMT振动形变热处理vibrationn.震动；颤动vibration incitement platform振动刺激平台vibrational infrared spectrum振动红外光谱vibration reduction by trench隔振沟vibration measuring equipment振动测量设备vibration of the vocal chords声带颤动vibration measuring apparatus振动测定仪Vibration angle of screen box筛体振动方向角vibration and noise reduction减振降噪vibration of vehicle-bridge车桥振动vibrational natural frequency振动固有频率