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发表于 2011-1-10 14:58
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引用第9楼sugar__box于2011-01-10 14:19发表的 :
8 p- p o3 d- S: T$ |) N5 S0 M+ p 个人也认为ISTA 1A比较适合。8 r2 E/ I, Q; o6 g7 x: U" j
The vibration test consists of placing the carton in the transportation simulator for a period of one hour or a total of 14,200 vibratory impacts. The frequency is adjusted to cause the carton to leave the table surface momentarily so a 1/16" shim may be inserted between the carton and the table. Variances are permissible with authorization or following the ISTA-1A Standard. ' N! }! q% W( A8 q+ U2 G
为什么ISTA 1A比较适合? |
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