Container with powerful vacuum effect, can keep the food fresh and tasty.
保鲜盒具有高强度的真空效果，放入冰箱后食物不会串味。
Super thin invisible film, good vacuum effect, high identical degree of exposure;
超薄磨沙不反光膜，真空效果卓越，曝光传真度高；
The effect of vacuum degree on PA6 production was also discussed.
还讨论了真空度的大小对PA6生产的影响。
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。
Objective: To investigate the application of high vacuum method in phacoemulsification and evaluate its effect.
前言：目的：探讨高负压在超声乳化手术中的应用，并对其效果进行评价。
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。
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。
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