电动燃油泵性能不良，会造成加载时发动机转速下降。
参考答案：对
She was surprised to find the fridge empty; the child everything . [ ]
A. had been eating
B. had eaten
C. have eaten
D. have been eating
钢材牌号Q235中的235反映的是( )
A．设计强度 B．抗拉强度C．屈服强度 D．含碳量
