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近几年来,车钩分离事故逐年增加,1977年发生1000余起,1978年发生890余起,其中因钩尾框破损造成的列车分离事故,仅
In recent years, the coupler accident has been increasing year by year, with more than 1,000 accidents in 1977 and more than 890 accidents in 1978. Among them, the train separation accident caused by the yoke frame damage only occurred