ＳＷ２００ＬＣ－３型挖掘机是上海建筑机械制造厂根据市场需要和９０年代世界液压挖掘机发展的新趋势而开发研制的。其外观如图１所示。该机的设计注重了“提高工作效率，提高工作可靠性、加大作业范围、美化整机造型”等特点，选购可靠的国外进口动力和液压元件，是适合于我 The SW200LC-3 excavator was developed by Shanghai Construction Machinery Manufactory based on market needs and the new trends in the development of hydraulic excavators in the world in the 1990s. Its appearance is shown in Figure 1. The design of this machine focuses on the characteristics of “increasing work efficiency, improving work reliability, increasing the scope of work, and beautifying the shape of the whole machine”. It is suitable for me to purchase reliable foreign imported power and hydraulic components.