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环境噪声监测技术规范 结构传播固定设备噪声
Technical Specifications for Environmental Noise Monitoring.Structure-borne Indoor Noise From Associated Facilities
价格:¥0.00
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环境噪声监测技术规范 噪声测量值修正
Technical specifications for environmental noise monitoring.Correction for measured noise level
价格:¥0.00
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环境噪声监测技术规范.城市声环境常规监测
Technical specifications for environmental noise monitoring.Routine monitoring for urban environmental noise
价格:¥0.00
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潜艇模型螺旋桨噪声测量方法
Measurement method for the radiated noise from a submarine model propeller
价格:¥0.00
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环境保护产品技术要求.通风消声器
Technical requirement for environmental protection product.Silencers for ventilation
价格:¥0.00
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城市轨道交通引起建筑物振动与二次辐射噪声限值及其测量方法标准
Standard for limit and measuring method of building vibration and secondary noise caused by urban rail transit
价格:¥0.00
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微波、毫米波相位噪声测试系统检定规程
价格:¥0.00
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