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【单选题】
有一台三相交流电动机，每相绕组的额定电压为220V，三相对称电源的线电压为380V，则电动机的三相绕组应采用的连接方式是（ ）。
A.
星形连接，有中线
B.
星形连接，无中线
C.
三角形连接
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