Acoustics - laboratory tests on noise emission from appliances and equipment used in water supply installations - mounting and operating conditions for draw - off taps and mixing valves 声学.由供水设施和设备发出噪音的实验室试验.放水龙头和混合阀的安装和工作条件
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Method for laboratory tests on noise emission from appliances and equipments used in water supply installations - part 2 : mounting and operating conditions for draw - off taps and mixing valves 给水装置中装置和设备噪声的实验室试验方法.第2部分:排水阀和混合阀的安装和操作条件
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Acoustics . laboratory tests on noise emission from appliances and equipment used in water supply installations . part 2 : mounting and operating conditions for draw - off taps and mixing valves 声学.供水设施使用的器械和设备发出噪音的试验室试验.第2部分:排水龙头和混合阀门的安装和操作条件