Isbn: 9787502467654 - 噪声控制与结构设备的动态设计[wx]周新祥,于晓光冶金工业出版社9787502467654 (1 risultati)

paperback. Condizione: New. Pub Date: 2014-10-01 Pages: 260 Language: Chinese Publisher: Metallurgical Industry Press dynamic noise control design and structure of the device introduces the basic acoustic noise control. noise hazards associated with the evaluation criteria. the noise of the measuring instrument and testing technology. the noise source and control overview knowledge. focusing on narrative sound absorption. sound insulation. vibration isolation and damping. mufflers and other noise control measures. selec.…