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通过上千根曲轴的多种对比工艺实验及全国同行业的大量调研 ,找出了曲轴第三主轴颈跳动超差的原因 ,从而提出了解决措施
Through a variety of comparative experiments on thousands of crankshafts and a large number of investigations in the same industry in the country, the reasons for overshooting of the third main journal of the crankshaft were found out, and the solutions were put forward