Leaving the dinning-car i asked the conductor for the first service .
离开餐车时，我跟乘务员索取第一批就餐券。
A conductor shall have insulation rated for the voltage and condition of service to which it is subjected under conditions of intended service.
导线应该有额定的绝缘电压并且能在要求的运作情况下运作。
Leaving the dinning-car I asked the conductor for the first service.
离开餐车时，我跟乘务员索取第一批就餐券。
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