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 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 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。
Sudden boiling of vacuum effect make dry quickly thoroughly.
真空突沸效应使干燥迅速、彻底。
Sudden boiling of vacuum effect make dry quickly and thoroughly.
真空突沸效应使干燥迅速、彻底。
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。
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；
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；
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