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转8A型转向架制动梁弓形杆下弯角处在运用和检修中时常发现有断裂现象。仅就我厂的弓形杆断裂情况统计,1983年在厂内交车试风折断15件,1984年前三个多月在厂
Z8A bogie brake beam bow under the corners in the use and maintenance are often found in the fracture phenomenon. Only my factory arched rod fracture statistics, in 1983 the factory test-drive crash 15, 1984 more than three months before the plant