接通电源开关,将试灯一端搭铁,一端接发电机磁场接线柱,灯不亮则表明硅整流发电机磁场绕 发布时间:2017-08-05 10:37 │ 来源:www.tikuol.com 题型:单项选择题 问题: 接通电源开关,将试灯一端搭铁,一端接发电机磁场接线柱,灯不亮则表明硅整流发电机磁场绕组()。A、短路B、断路C、接触不良D、正常
题型:单项选择题 You _____ eat too many desserts. I strongly urge you to change your diet. [ ]A. wouldn'tB. couldn'tC. shouldn'tD. needn't 查看答案