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我厂生产的反应缸,封头上有很多孔接盘,需要在封头的不同位置上开出带有坡口的孔(如图1)。过去是先用切割圆规割出孔,
I plant the reaction tank, there are a lot of holes on the head plate, you need to open the groove in the head position with a hole (Figure 1). The past is to cut the hole with a cutting compass,