Methods We changed straight pinhead to three-hole pinhead of filling & sealing machine in the work of filling liquid medicine.
方法将灌封机上的直筒药液灌注针头，改为“三孔”针头。
The vacuum packaging machine is designed for sealing contents in vacuum pouches Vacuum bags.
真空包装机是专为真空密封袋真空包内容。
The problems in the sealing device of wheel axis of single-bucket-wheel stocking machine in Han Steel are analyzed, the principle, design and effect of improved sealing device introduced.
分析了单斗轮取料机斗轮轴密封装置存在的问题，介绍了改进后的密封装置的密封原理、设计方案及使用效果。
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