cut-offcharacteristic let-throughcharacteristic
低压开关设备和控制设备总则(二) ... 2.5.20 时间-电流特性 time-current characteristic 2.5.21 截断电流特性；允通电流特性 cut-off(current)characteristic let-through(current)characteristic 2.5.22 过电流保护电器的过电流保护配合 over-current protective co-ordination of over-current protective device ...
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