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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. U. |4 e0 O* r8 M, o/ _
, z0 Q+ a9 P2 W. y! v/ o- pwe can discuss if you have different opinion.+ f: u$ J' f( |# c
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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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- N! B& I/ U7 }; x7 U6 Pbut personally I would think them as a whole not separated as only one resistor will not be protective impedance. |
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