现代300MW以上的发电机中性点引出线只有()端头,由此不能采用常规的横差保护作为定子绕组匝间短路保护。
A.1个;
B.2个;
C.3个;
D.4个。
参考答案:C
I hear that Mrs.Lin has been with the translation of a French novel these months. [ ]
A.seized
B.devoted
C.attracted
D.occupied
纯碱有CO2螺杆压缩机型号为()
A、L9-290/3.8
B、3L-10/8-G
C、LG-70/6-X
D、L9-290/3.6