为使电力机车运行灵活且在不同制式交界处暂停时间较短，有必要使用多流制机车。
To allow flexible operation of electrical locomotives and short stops at system borders, multi-system locomotives are necessary.
为使电力机车运行灵活且在不同制式交界处暂停时间较短，有必要使用多流制机车。
To allow flexible operation of electrical locomotives and short stops at system borders, multi-system locomotives are necessary.
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