【School】 elevator technology --- weak learning goals, important and difficult --- Power By 【China】 weak home network..

<br> I. Learning Objectives After studying this chapter, shall have control and knowledge of the following points: ① Lift the classification and the role of each component.. ② the elevator works.. ③ Use the elevator management and maintenance requirements. .. <BR> <BR> Second, the focus and difficulty of various control methods ① lift characteristics.. ② the elevator works.. ③ Check the requirements to run the elevator.. ④ elevator maintenance and administration of the implementation of the .standards.. <BR>..