Common failure of three - roll piercer in production was studied.

介绍了三辊穿孔机在生产过程中的常见故障和事故.

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The armor piercer sends the strength, Is the typical wadding fist sends the strength method.

穿甲弹的发力, 就是典型的绵拳的发力方法的.

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The piercing principle of 2 - roll cross - rolling piercer and its application range are discussed.

论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围.

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