当电动机电流超过额定电流猛增时,应立即切断电源,停机检查。
参考答案:对
钢板柱面滚弯缺陷有哪些?
A certain prosthodontist specializes in implanting gold and silver teeth in his patients’ mouths. He charges $650 for a gold tooth and $325 for a silver tooth. If his total fees for implanting gold and silver teeth last week were $15,925 in total, and he implanted five more gold teeth than silver teeth, how many teeth in total did he implant over the week ?()
A. 31
B. 32
C. 33
D. 34
E. 35