The pin 5 strengthens the separation and mixing of the glue in the machine barrel, and speeds up the flow of the material as well as strengthens the kneading effect to the glue material.
销钉5的设置，加强了机筒内胶料的分割和搅拌，加速了物料流动，同时还加强了对胶料的捏炼作用。
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