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最近几个月,我段连续发生滑槽式制动梁弓型杆折断。断裂部位全在弓型杆与槽钢焊接的弯角处(图1)。
In recent months, there has been a series of chute brake lever arch bars broken in succession. Broken parts all in the bow-shaped bar and channel welded corner (Figure 1).