断路器分闸速度快慢影响()。
A、灭弧能力;
B、合闸电阻;
C、消弧片;
D、分闸阻抗。
参考答案:A
Talk Show is becoming more and more ______ among some actors, who make full use of various
topics to reflect the changing society. [ ]
A. average
B. popular
C .usual
D. ordinary
可以链接或嵌入OLE对象的字段类型是 ______。
A.备注型字段
B.通用型和备注型字段
C.通用型字段
D.任何类型的字段