A.半開放吸入麻醉 B.緊閉式吸入麻醉 C.淺麻醉 D.手術(shù)期麻醉 E.半緊閉吸入麻醉
A.1/2 B.2/3 C.1/3 D.相同 E.3/4
A.25%~50% B.24%~50% C.21%~35% D.21%~55% E.52%~100%