经过多年实践跟踪，摸索出适应北方长寿命霓虹灯制做的关键工艺方法，从而提高了北方霓虹灯的使用寿命。
The author finds out the key technique of making durable neon light in north area according to his many years test result, so as to improve the usage time of neon light.
本文介绍了霓虹灯圆排机工艺技术及设备的研制，重点叙述了圆排机工作原理和关键部件的研制。
The paper introduces the technique and equipment of exhausting machine for neon lamp, and mainly presents the working principle of neon lamp and design of key parts.
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