separately excited machine

常见例句

雙語例句

• The field windings may be separately excited from an external DC source, or they may be self-excited; i. e. , the machine may supply its own excitation.
  勵磁繞組可以由外部直流電源單獨激磁，或者也可自勵，即電機提供自身的勵磁。
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