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针对１３０弹药筒缩口模寿命较低且极不稳定的状况，分析了其主要原因，并给出了切实可行的解决措施。使寿命提高且稳定，效益大为提高。
In view of the low and extremely unstable life of the shrinking die of 130 cartridges, the main reason is analyzed and practical solutions are given. So that life expectancy increased and stabilized, greatly improved efficiency.