题目内容
进行有名值等值电路计算式，变压器的变比为（ ）
查看答案
搜索结果不匹配？点我反馈
更多问题
---What did you do the day before yesterday?---I __________ for an English test.
----Wendy, how long have you had the Huawei P30 Pro？----A couple of days. I______it last week.
---Mary, I remember you ______several years ago.---Yes, I______ for 3 years.
He_____ his English teacher when he was sightseeing in Paris.
微信支付 
支付宝支付