在EN71-1 4.23 Magnets 的
4.23.2 Toys other than magnetic/electrical experimental sets
a) Any loose as-received magnet(s) and magnetic component(s) shall either have a magnetic flux index less than 50 kG2mm2 (0,5 T2mm2) when tested according to 8.35 (magnetic flux index), or shall not fit entirely in the cylinder when tested according to 8.2 (small parts cylinder).
这句话中说意思，大家是怎么理解？
发表于 2011-10-30 15:51:15
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发表于 2011-10-31 10:24:32