电力变压器按容量分为()。
A.R6
B.R8
C.R10
D.R12
参考答案:B, C
—— How was your job interview?
—— Oh, I couldn’t feel___. I hardly found proper answers to most of the questions they asked.
A.better
B.easier
C.worse
D.happier
干燥无灰基的符号是()
A、ad
B、daf
C、ar
D、dmmf