问题
单项选择题
当电压相角为零时合闸,变压器励磁涌流()。
A.最小
B.最大
C.为零
D.其他三个选项都不是
答案
参考答案:B
当电压相角为零时合闸,变压器励磁涌流()。
A.最小
B.最大
C.为零
D.其他三个选项都不是
参考答案:B
The poor tailor 小题2: singing when he made clothes. But the rich man liked 小题3: . One day the rich man said, “ Tailor, I can’t sleep well. I’ll give you a bag of money every day if you 小题4: singing.”“小题5: !” said the tailor. And so the tailor didn’t singing any more and became richer and richer. But the more money he got from the rich man, the more 小题6: he was, because he wanted very much to sing again. At last he 小题7: all his money to the rich man. “ Here.” He said. “ 小题8:your money back, I can’t be happy 小题9: I can’t sing.” And soon he was 小题10: than before. |