牵引供电系统采用AT供电方式时,在铁路沿线,每隔10KM设置一台()。
A、自耦变压器
B、吸流变压器
C、自用变压器
D、V∕V变压器
参考答案:A
1) There are only two things _____ reading in this newspaper ---the TV listings and the sports page.
2) Two points in this report are especially ______ of notice .
3) First prize in the competition was designer clothes _______ several thousand pounds.
下列不属于打开或关闭数据表对象的命令是______。
A.Close
B.OpenReport
C.OpenForm
D.RunSQL