评价制动性能的指标是制动力的大小。
参考答案：错
对运行中的低压断路器的巡视内容是什么？
小题1:Would you mind _______my (open) the door ?
小题2:He is______(interest) in history very much..
小题3: If he________(not work) tomorrow, he’ll have a picnic with us..
小题4:You’d better _________(ask) the policeman over there.
小题5:What ________ you _______(do) when the bell rang?
