新鲜的蔬菜需要呼吸以获得最佳的保质期。

Fresh vegetable need to respirate for optimum shelf life.

youdao

前言：目的：探讨小儿呼吸道异物取出术麻醉方法及围术期有关处理。

Objective: To investigate the anesthesia of extraction of children intratracheal foreign body.

youdao

前言：目的：探讨小儿呼吸道异物取出术麻醉方法及围术期有关处理。

Objective: To investigate the anesthesia of extraction of children intratracheal foreign body.

youdao