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最近,在检修车辆中,常发现C_(50)型(中梁为550工字钢)敞车铆结构中梁下盖板的燕尾板圆弧处裂纹后补强方法各厂、段不一样,
Recently, in the overhauling vehicle, it is often found that after the C50 (type 550) girder gondola girder of the C50 (middle beam)