At the opening ceremony of this intermediate job training, Liu Huizhong, the executive deputy secretary-general of the Underground Pipeline Professional Committee of the China Urban Planning Association, and Ouyang Li, the vice president of Guangzhou Panyu Vocational and Technical College, made opening speeches respectively at the opening ceremony. First of all, I would like to extend a warm welcome and congratulations to the trainees, and also put forward specific requirements for the trainees. I hope that the trainees will listen and think diligently in class; actively participate in practical exercises after class, and complete the lecturer's class seriously and timely The knowledge points mentioned above are applied to actual operation, successfully completed various learning tasks, learned something successfully, and graduated successfully.