目前现有技术造价较高，其网袋焊接部分是间歇式工作，不利于提高生产效率。
Prior art has relatively high construction cost; the mesh bag welding part works intermittently, which cannot facilitate the increase of productivity.
目前现有技术造价较高，其网袋焊接部分是间歇式工作，不利于提高生产效率。
Prior art has relatively high construction cost; the mesh bag welding part works intermittently, which cannot facilitate the increase of productivity.
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