常用的给氧法为________、________、________和___________
参考答案：鼻导管给氧；鼻塞给氧；面罩给氧；气管内机械给氧
—I want that bag.
—_____. [ ]
A. Here are you
B. Here you are
C. Give you
D. You are here
简述碳化塔启车操作过程？
