DC generators are classified according to the manner in which（）<br>A:they are used<br>B:the field windings are connected to the load<br>C:the armature circuit is connected to the load<br>D:the field windings are connected to the armature circuit

DC generators are classified according to the manner in which（）
A:they are used
B:the field windings are connected to the load
C:the armature circuit is connected to the load
D:the field windings are connected to the armature circuit

出自：海船船员证

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