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近来,货车车轮踏面裂纹缺损已成为运用中的突出故障,据不完全统计,分局管内列检所,自1989年11月～1990年2月,共发现车轮踏面裂纹缺损10件(见统计表)。
Recently, the defect of the truck wheel tread crack has become a prominent failure in operation. According to incomplete statistics, the inspection department of the branch pipe was found. From November 1989 to February 1990, a total of 10 wheel-tread crack defects were found (see statistical tables) .