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机动车辆和/或行人区域的水沟顶部和人孔顶部. 铸铁制水沟顶部和人孔顶部
Gully tops and manhole tops for vehicular and pedestrian areas. Gully tops and manhole tops made of cast iron
参考页数:36P.;A4
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机动车辆和/或行人区域的水沟顶部和人孔顶部. 定义, 分类, 通用设计原则, 性能要求和试验方法
Gully tops and manhole tops for vehicular and pedestrian areas. Definitions, classification, general principles of design, performance requirements and test methods
参考页数:50P.;A4
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机动车辆和/或行人区域的水沟顶部和人孔顶部. 钢筋混凝土制水沟顶部和人孔顶部
Gully tops and manhole tops for vehicular and pedestrian areas. Gully tops and manhole tops made of steel reinforced concrete
参考页数:36P.;A4
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机动车辆和/或行人区域的水沟顶部和人孔顶部. 钢或者铝合金制水沟顶部和人孔顶部
Gully tops and manhole tops for vehicular and pedestrian areas. Gully tops and manhole tops made of steel or aluminium alloys
参考页数:40P.;A4
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机动车辆和/或行人区域的水沟顶部和人孔顶部. 复合材料制水沟顶部和人孔顶部
Gully tops and manhole tops for vehicular and pedestrian areas. Gully tops and manhole tops made of composite materials
参考页数:42P.;A4
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机动车辆和/或行人区域的水沟顶部和人孔顶部. 聚丙烯 (PP), 聚乙烯 (PE)或者未增塑聚氯乙烯 (PVC-U) 制水沟顶部和人孔顶部
Gully tops and manhole tops for vehicular and pedestrian areas. Gully tops and manhole tops made of polypropylene (PP), polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U)
参考页数:42P.;A4
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道路交通减噪设备. 测定声学性能的试验方法. 内在特性. 声衍射现场数值
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics In situ values of sound diffraction
参考页数:38P.;A4
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道路垂直标志.可变信息交通标志
Road vertical signs. Variable message traffic signs
参考页数:132P.;A4
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轨道交通. 轨道. 作用于空气传声的隔音屏障和相关设备. 测定声学性能的试验方法. 内在特性. 直接声场条件下隔绝空气声的原位值
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. In situ values of airborne sound insulation under direct sound field conditions
参考页数:50P.;A4
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轨道交通. 轨道. 作用于空气传声的隔音屏障和相关设备. 测定声学性能的试验方法. 标准化的铁路噪声频谱和直接的现场应用索引单号评级
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Normalized railway noise spectrum and single number ratings for direct field applications
参考页数:18P.;A4
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