某三相变压器,SN=160KVA,U1N/U2N=35KV/0.4KV,采用Y,d11连接,求一次侧额定线电流及相电流、二次侧额定线电流及相电流。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧