There are many types of problems. Dali Education has prepared a lot of examination materials in the electromechanical examination of the Second Construction Project, and the questions given are rich and varied. The probability of the original questions in these materials is relatively high, which shows that there are many problems in the electromechanical examination of Dali Education Second Construction Project. You can choose some topics with high frequency or some difficult topics during the exam, which may be the topics that will appear in the exam.