The invention has the advantages of simple structure, good sealing effect and long service life.
本发明实现了结构简单，密封效果好，使用寿命长的目的。
Perfect sealing system to create excellent sealing effect, prevent water invasion, keep indoor dry.
绝佳的密封系统打造优异的密封效果，杜绝水汽入侵，让室内保持干爽。
Objective To investigate the effect of vacuum sealing drainage on severe soft tissue injury treatment.
目的观察负压封闭引流技术对严重软组织损伤的临床疗效。
Adopt union brass sealing piece, have soft hard sealed effect, make better top sealing performance.
采用一体铜制密封件，形成有效软硬密封效果，使上部密封性能更强。
Objective: To observe the effect of vacuum-sealing technique on the wound healing.
目的：观察负压封闭治疗创面的效果。
The gas sealing structure is characterized by simple structure, significant effect and easy maintenance.
本实用新型结构简单，效果显著，维护方便。
The gas sealing structure is characterized by simple structure, significant effect and easy maintenance.
本实用新型结构简单，效果显著，维护方便。
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