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[国外标准] BS EN 50288-5-2:2003 Multi-element metallic cables used in analogue and digital communication and control-Part 5-2: Sectional specification for screened cables characterized up to 250 MHz-Work area and patch cord cables
P:2011-05-16 10:31:53
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BS EN 50288-5-2:2003 Multi-element metallic cables used in analogue and digital communication and control-Part 5-2: Sectional specification for screened cables characterized up to 250 MHz-Work area and patch cord cables.pdf
Heat Distortion - 热变形。将材料适当取样之后，将其加热至一定温度后，试验 该材料之外形改变情况，计算公式如下： 式中 T1 为未加热前试样之厚度 热变形（﹪） T2 为加热后试样之厚度 （0） 投诉
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