检测整流器负极管的正向导通时,用万用表的____(红/黑)表笔分别接P1、P2、P3、P4,用万用表的____(红/黑)表笔接E。
查看答案
检测整流器正极管的正向导通时,用万用表的____(红/黑)表笔分别接P1、P2、P3、P4,用万用表的____(红/黑)表笔接+B。
中英互译:Most important of all, apart from their hometown and parents, students couldn't catch sight of any familiar face and have to suffer from homelessness, which can cause certainserious mental disease.