在生产过程中安全系数高、去泡时间短、操作简便。

High safety factor, short removing bubble time, easy operation.

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结论：胸腔镜一期手术是治疗双侧自发性气胸或一侧气胸而另一侧证实有肺大泡的安全有效的术式。

Conclusions:one-stage VATS is a safe and effective procedure for bilateral spontaneous pneumothorax or pneumothorax combined with contralateral bullae.

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实验为泡凤爪安全性评价提供了参考。

Aim: providing some references for the safety assessment of pickled chicken feet.

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