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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.7 O" w" w: F ^ k& Y$ [+ x
$ }4 \* ]! |* |$ s* Iwe can discuss if you have different opinion. P; O' l0 i/ k
+ j( z% M3 p2 ^0 hactually 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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6 H8 R8 T& t) O1 Xbut personally I would think them as a whole not separated as only one resistor will not be protective impedance. |
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