确定电流通过导体时所产生的热量与电流的平方、导体的电阻及通过的时间成正比的定律是()。
A.焦尔愣次定律
B.欧姆定律
C.基尔霍夫定律
D.亨利定律
参考答案:A
--What do you want to do next?We have half an hour until the baseball game.
---_____.Whatever you want to do is fine with me.
A.It just depends
B.It’s up to you
C.All right
D.Glad to hear that
数控编程辅助功能指定M05代表()。
A.主轴顺时针旋转
B.主轴逆时针旋转
C.主轴停止
D.主轴启动