单选题关于变压器的下列说法,正确的是()。A升压变压器不能降压使用B降压变压器不能升压使用C只要保证了额定电压合适,无所谓降压或升压使用D只要保证了额定电压和额定容量,无所谓降压或升压使用
单选题
关于变压器的下列说法,正确的是()。
A
升压变压器不能降压使用
B
降压变压器不能升压使用
C
只要保证了额定电压合适,无所谓降压或升压使用
D
只要保证了额定电压和额定容量,无所谓降压或升压使用
参考解析
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