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采暖通风与空气调节设备噪声声功率级的测定 工程法
Determination of sound power levels for noise emitted by heating ventilating and air conditioning equipment--Engineering method
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声学 汽车车内噪声测量方法
Acoustics--Measurement of noise inside motor vehicles
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地下铁道电动车组司机室、客室内部噪声测量
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声学 机动车辆定置噪声测量方法
Acstics-Measurement of noise emitted by stationaryroad vehicles
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机器和设备辐射的噪声 操作者位置噪声测量的基本准则(工程级)
Noise emitted by machinery and equipment--Guidelines for the preparation of test codes of engineering grade requring noise measurements at the operator's or bystander's position
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地下铁道电动车组司机室、客室噪声限值
价格：￥0.00
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