问题
过负载保护电器的动作特性应同时满足（)条件。A．Ic≤Ir≤Iz或Ic≤Iset1≤IzB．Ic≤Iset1C．I2≤1.45IzD．Ic
过负载保护电器的动作特性应同时满足()条件。
A．Ic≤Ir≤Iz或Ic≤Iset1≤Iz
B．Ic≤Iset1
C．I2≤1.45Iz
D．Ic≥Ir≥Iz
Fatal error: Uncaught [XSException] ../../../usr/local/xunsearch/sdk/php/lib/XS.php(2559): Connection refused(C#111, localhost:8384)
thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559
