当电力系统发生短路时,使原电流剧增至额定电流的数倍,此时电流互感器将工作在磁化曲线的非线性部分,角误差和变比误差()。
A
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Wehave____vegetablesinthefridgefordinner.Gotothemarkettobuysome_____.
TheshoesaremadeinWuxiCity,______isfamousforit'sproductsoflightindustry.
Thereareoversix________students_____partintheentranceexaminDongchengonMaythesecond.