A.600~1800ml B.800~1000ml C.1000~1250ml D.1300~1500ml E.1600~1800ml
A.25% B.8% C.13% D.18% E.20%
A.誤吸 B.喉痙攣 C.導(dǎo)管過(guò)深 D.分泌物堵塞 E.舌后墜