【单选题】While paralleling two (2) AC generators using synchronizing lamps only, both lamps will go dark when the generators are _____.
A.
running at the same speed
【单选题】I saw______boys at the park.
【单选题】疗效高、起效快,能控制疟疾症状的首选药物是
【单选题】While paralleling two AC generators using synchronizing lamps only, both lamps will go dark when the generators are______.
A.
running at the same speed
【单选题】疗效高,起效快控制疟疾症状的首选药物是: