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平地机牵引架与回转圈之间都装有耐磨衬垫(见图1)。耐磨衬垫通过螺栓定位,用AB胶粘在牵引架上,在回转过程中起到保护牵引架和回转圈的
The grader has a wear pad between the draw frame and the turning ring (see Figure 1). Wear pads are positioned by bolts, glued to the draw frame with AB, and serve to protect the draw frame and the revolving circle during slewing