下列流体介质代号分别代表:W(),S(),P(),A()。
参考答案:水;蒸汽;物料;压缩空气
补全对话。
A: (1) __________ events do you have (2) __________ your school?
B: We have a speech (3) __________ each year.
A: (4) __________ is it?
B: It's (5) __________ November.
A: Do you have (6) __________ English party?
B: (7) __________, I don't know.You can (8) __________ Miss Li.
A: (9) __________ you.
B: You're (10) __________.
急性一氧化碳毒时,重要的治疗法是什么?