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介绍了ＬＷ户外断路器气缸和拉杆毛坯的挤压成形工艺，并与传统的铸造和锻造工艺进行了对比，同时指出了该新工艺的技术先进性与经济合理性
The extrusion forming process of LW outdoor circuit breaker cylinder and rod blank is introduced and compared with the traditional casting and forging process. At the same time, the advanced technology and economic rationality of the new process are pointed out