ASTM F2291-23 游乐设施和设备设计的标准实施规程1.1 This practice establishes criteria for the

匿名 发表于 2023-12-22 08:09:40 |阅读模式

ASTM F2291-23 游乐设施和设备设计的标准实施规程1.1 This practice establishes criteria for the design of amusement rides, devices and major modifications to amusement rides and devices manufactured

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ASTM F2291-23 游乐设施和设备设计的标准实施规程1.1 This practice establishes criteria for the

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