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看了一下英文原文,
2 y6 a1 O# H, g4 w5 t+ ~The values specified above are doubled if all controls have an off position in all poles. They are also doubled if
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– the appliance has no control other than a thermal cut-out, or8 \( e. w6 b+ t" i
– all thermostats, temperature limiters and energy regulators do not have an off position, or; g( n/ A8 u5 ]0 i
– the appliance has radio interference filters. In this case the leakage current with the filter disconnected shall not exceed the limits specified." ^) j8 r' Q' h
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同样困惑。。。等待高手来解答。。。 |
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