By introducing the treatment process and the process commissioning and operation,factors which might affect process commissioning were raised,as well as the related control measure.

Aiming at the importance of technology debugging in urban sewage treatment plant,combined with technology debugging content and goal,the basic method and attentions of urban sewage treatment plant debugging technology were discussed,and the corresponding suggestions were proposed so as to guarantee effective development of debugging work.

The testing and measuring technology plays an important role in quality guarantee of the electronic products.

This paper presents the structure,mounting and testing techniques of Shanghai Pearl Line Ⅱ-phase metro vehicle s door,analyzing the influence of car body flexibility on the door.