
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 3: Mounting and operating conditions for in-line valves and appliances
出版:International Organization for Standardization

專家解讀視頻
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 3: Mounting and operating conditions for in-line valves and appliances
出版:International Organization for Standardization
專家解讀視頻