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楼主 |
发表于 2010-9-14 16:56
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I'm sorry that It may require a long time to complete the issues, but I will try and not give up.
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To save time, I will use attachment with drawings/circuit and necessary explanation.5 _$ [1 A2 E0 v! @4 k
) I% A$ f3 o w* F2 n( Gwe can discuss if you have different opinion.7 K3 [5 E$ E) j5 {
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actually for the case in attached file, one lab will consider the reinforced insulation(double insulation) shall be achieved for individual resistor in Protective circuit.
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8 @6 x3 O4 W: s5 D, Ybut personally I would think them as a whole not separated as only one resistor will not be protective impedance. |
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