计算题:单相及三相照明电流计算:单相I=P/220;三相I=P/1.73*380例:有5盏60W白炽灯泡,求电流是多少?
参考答案:
5*60/220=1.3636(安)
The manager discussed the plan that they would like to see the next year. [ ]
A. carry out
B. carrying out
C. carried out
D. to carry out
轨道车制动部件减压阀校验周期是()。
A、12个月
B、10个月
C、6个月
D、3个月