【简答题】升压变压器的变压比k( ),次级绕组匝数( )。
【简答题】机械曝气的形式很多,可归纳为 竖轴 曝机和____两大类。
【单选题】According to the text, after people in Western society complete their compulsory, what are their main choices for further education?
【简答题】升压变压器的变压比k(),次级绕组匝数()。
【简答题】After compulsory education, students are required to take a national examination which is called ____.
【判断题】某省管科学研究院收到国家财政部拨入的专项科研补助时,贷记“财政拨款收入”