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自1988年起,凡是销售到欧洲的工程机械,像装载机、挖掘机以及挖掘装载机等,都必须严格遵守有关的噪声规定要求。因此从那时起,已研制出多种方法,用来评价和限制工程机械产生的噪声。1 噪声测试方法1.1静态测试在最初的欧洲86/662/EEC标准中,要求被测试样机以不低于发动机额定?
Since 1988, all construction machinery sold to Europe, such as loaders, excavators and backhoe loaders, must strictly abide by the relevant noise requirements. Since then, a number of methods have been developed to evaluate and limit the noise generated by construction machinery. 1 Noise Test Method 1.1 Static Test In the original European 86/662 / EEC standard, the required prototype to be tested not less than the engine rated?