对于同一晶闸管,维持电流IH与擎住电流IL在数值大小上有,IL( )IH。 对于同一晶闸管,维持电流IH与擎住电流IL在数值大小上有,IL( )IH。 A.大于B.等于C.小于D.无关 分类:平顶山学院-大学英语4(高起本) 题型:选择题 查看答案
I often ______ the cooking for my family, but rece I often ______ the cooking for my family, but recently I have been too busy to d 分类:平顶山学院-大学英语4(高起本) 题型:选择题 查看答案
Generally, you should avoid()business over a meal Generally, you should avoid()business over a meal until your host gives a signal 分类:平顶山学院-大学英语4(高起本) 题型:选择题 查看答案